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    19. 

  19.   <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>table</span> <span class="token attr-name">cellpadding</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>0<span class="token punctuation">&quot;</span></span> <span class="token attr-name">cellspacing</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>0<span class="token punctuation">&quot;</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">'</span>tab<span class="token punctuation">'</span></span><span class="token punctuation">&gt;</span></span>
    20. 

  20.    tr*7&gt;td*7
    21. 

  21.   <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>table</span><span class="token punctuation">&gt;</span></span>
    22. 

  22.   <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>enter<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    23. 

  23.     <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>text<span class="token punctuation">&quot;</span></span> <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>A0<span class="token punctuation">&quot;</span></span> <span class="token attr-name">maxlength</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>2<span class="token punctuation">&quot;</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>coordinate<span class="token punctuation">&quot;</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span><span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    24. 

  24.     <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>btn<span class="token punctuation">&quot;</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">'</span>btnEnter<span class="token punctuation">'</span></span><span class="token punctuation">&gt;</span></span>输入<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    25. 

  25.   <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    26. 

  26. <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    27. 

  27. </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><div class="language-css line-numbers-mode"><pre class="language-css"><code><span class="token selector">*</span> <span class="token punctuation">{</span>
    28. 

  28.   <span class="token property">margin</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    29. 

  29.   <span class="token property">padding</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    30. 

  30. <span class="token punctuation">}</span>
    31. 

  31. <span class="token selector">body</span> <span class="token punctuation">{</span>
    32. 

  32.   <span class="token property">background-color</span><span class="token punctuation">:</span> black<span class="token punctuation">;</span>
    33. 

  33. <span class="token punctuation">}</span>
    34. 

  34. <span class="token selector">.continuar</span> <span class="token punctuation">{</span>
    35. 

  35.   <span class="token property">margin</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    36. 

  36.   <span class="token property">width</span><span class="token punctuation">:</span> 650px<span class="token punctuation">;</span>
    37. 

  37.   <span class="token property">position</span><span class="token punctuation">:</span> relative<span class="token punctuation">;</span>
    38. 

  38.   <span class="token property">height</span><span class="token punctuation">:</span> 650px<span class="token punctuation">;</span>
    39. 

  39.   <span class="token property">background</span><span class="token punctuation">:</span> <span class="token url"><span class="token function">url</span><span class="token punctuation">(</span>'../images/board.jpg'<span class="token punctuation">)</span></span> no-repeat<span class="token punctuation">;</span>
    40. 

  40.   <span class="token property">background-size</span><span class="token punctuation">:</span> contain<span class="token punctuation">;</span>
    41. 

  41. <span class="token punctuation">}</span>
    42. 

  42. 

  43. <span class="token selector">table</span> <span class="token punctuation">{</span>
    44. 

  44.   <span class="token property">margin</span><span class="token punctuation">:</span> 0 auto<span class="token punctuation">;</span>
    45. 

  45.   <span class="token property">padding-top</span><span class="token punctuation">:</span> 62px<span class="token punctuation">;</span>
    46. 

  46. <span class="token punctuation">}</span>
    47. 

  47. 

  48. <span class="token selector">tr td</span> <span class="token punctuation">{</span>
    49. 

  49.   <span class="token property">width</span><span class="token punctuation">:</span> 60px<span class="token punctuation">;</span>
    50. 

  50.   <span class="token property">height</span><span class="token punctuation">:</span> 60px<span class="token punctuation">;</span>
    51. 

  51.   <span class="token property">border</span><span class="token punctuation">:</span> 0px solid <span class="token function">rgb</span><span class="token punctuation">(</span>21<span class="token punctuation">,</span> 172<span class="token punctuation">,</span> 16<span class="token punctuation">)</span><span class="token punctuation">;</span>
    52. 

  52. <span class="token punctuation">}</span>
    53. 

  53. <span class="token selector">td.ship</span> <span class="token punctuation">{</span>
    54. 

  54.   <span class="token property">background</span><span class="token punctuation">:</span> <span class="token url"><span class="token function">url</span><span class="token punctuation">(</span>'../images/ship.png'<span class="token punctuation">)</span></span> no-repeat<span class="token punctuation">;</span>
    55. 

  55.   <span class="token property">background-size</span><span class="token punctuation">:</span> contain<span class="token punctuation">;</span>
    56. 

  56.   <span class="token property">background-position</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span>
    57. 

  57. <span class="token punctuation">}</span>
    58. 

  58. <span class="token selector">td.miss</span> <span class="token punctuation">{</span>
    59. 

  59.   <span class="token property">background</span><span class="token punctuation">:</span> <span class="token url"><span class="token function">url</span><span class="token punctuation">(</span>'../images/miss.png'<span class="token punctuation">)</span></span> no-repeat<span class="token punctuation">;</span>
    60. 

  60.   <span class="token property">background-size</span><span class="token punctuation">:</span> contain<span class="token punctuation">;</span>
    61. 

  61.   <span class="token property">background-position</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span>
    62. 

  62. <span class="token punctuation">}</span>
    63. 

  63. <span class="token selector">.enter</span> <span class="token punctuation">{</span>
    64. 

  64.   <span class="token property">position</span><span class="token punctuation">:</span> absolute<span class="token punctuation">;</span>
    65. 

  65.   <span class="token property">right</span><span class="token punctuation">:</span> 14%<span class="token punctuation">;</span>
    66. 

  66.   <span class="token property">bottom</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    67. 

  67.   <span class="token property">display</span><span class="token punctuation">:</span> flex<span class="token punctuation">;</span>
    68. 

  68.   <span class="token property">padding</span><span class="token punctuation">:</span> 20px<span class="token punctuation">;</span>
    69. 

  69. <span class="token punctuation">}</span>
    70. 

  70. <span class="token selector">.enter input</span> <span class="token punctuation">{</span>
    71. 

  71.   <span class="token property">height</span><span class="token punctuation">:</span> 35px<span class="token punctuation">;</span>
    72. 

  72.   <span class="token property">color</span><span class="token punctuation">:</span> #000000<span class="token punctuation">;</span>
    73. 

  73.   <span class="token property">background-color</span><span class="token punctuation">:</span> <span class="token function">rgb</span><span class="token punctuation">(</span>159<span class="token punctuation">,</span> 255<span class="token punctuation">,</span> 48<span class="token punctuation">)</span><span class="token punctuation">;</span>
    74. 

  74.   <span class="token property">display</span><span class="token punctuation">:</span> block<span class="token punctuation">;</span>
    75. 

  75.   <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span>
    76. 

  76.   <span class="token property">border</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    77. 

  77. <span class="token punctuation">}</span>
    78. 

  78. <span class="token selector">.enter .btn</span> <span class="token punctuation">{</span>
    79. 

  79.   <span class="token property">height</span><span class="token punctuation">:</span> 25px<span class="token punctuation">;</span>
    80. 

  80.   <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span>
    81. 

  81.   <span class="token property">padding</span><span class="token punctuation">:</span> 0 5px<span class="token punctuation">;</span>
    82. 

  82.   <span class="token property">cursor</span><span class="token punctuation">:</span> pointer<span class="token punctuation">;</span>
    83. 

  83.   <span class="token property">font-size</span><span class="token punctuation">:</span> 12px<span class="token punctuation">;</span>
    84. 

  84.   <span class="token property">color</span><span class="token punctuation">:</span> aliceblue<span class="token punctuation">;</span>
    85. 

  85.   <span class="token property">margin-left</span><span class="token punctuation">:</span> 5px<span class="token punctuation">;</span>
    86. 

  86.   <span class="token property">line-height</span><span class="token punctuation">:</span> 25px<span class="token punctuation">;</span>
    87. 

  87.   <span class="token property">user-select</span><span class="token punctuation">:</span> none<span class="token punctuation">;</span>
    88. 

  88.   <span class="token property">text-align</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span>
    89. 

  89.   <span class="token property">background-color</span><span class="token punctuation">:</span> #41510d<span class="token punctuation">;</span>
    90. 

  90.   <span class="token property">border</span><span class="token punctuation">:</span> 5px solid #46e234<span class="token punctuation">;</span>
    91. 

  91. <span class="token punctuation">}</span>
    92. 

  92. </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br><span class="line-number">47</span><br><span class="line-number">48</span><br><span class="line-number">49</span><br><span class="line-number">50</span><br><span class="line-number">51</span><br><span class="line-number">52</span><br><span class="line-number">53</span><br><span class="line-number">54</span><br><span class="line-number">55</span><br><span class="line-number">56</span><br><span class="line-number">57</span><br><span class="line-number">58</span><br><span class="line-number">59</span><br><span class="line-number">60</span><br><span class="line-number">61</span><br><span class="line-number">62</span><br><span class="line-number">63</span><br><span class="line-number">64</span><br><span class="line-number">65</span><br></div></div><div class="language-javascript line-numbers-mode"><pre class="language-javascript"><code>window<span class="token punctuation">.</span><span class="token function-variable function">onload</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    93. 

  93.   <span class="token keyword">let</span> btnEnter <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">'btnEnter'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    94. 

  94.   <span class="token keyword">let</span> coordinate <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">'coordinate'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    95. 

  95.   <span class="token comment">// 给节点添加点击事件</span>
    96. 

  96.   btnEnter<span class="token punctuation">.</span>onclick <span class="token operator">=</span> btn<span class="token punctuation">;</span>
    97. 

  97.   coordinate<span class="token punctuation">.</span>onkeypress <span class="token operator">=</span> key<span class="token punctuation">;</span>
    98. 

  98.   <span class="token keyword">function</span> <span class="token function">key</span><span class="token punctuation">(</span><span class="token parameter">e</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    99. 

  99.     <span class="token comment">// 监听`enter`键是否被点击</span>
    100. 

  100.     <span class="token keyword">if</span> <span class="token punctuation">(</span>e<span class="token punctuation">.</span>charCode <span class="token operator">===</span> <span class="token number">13</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    101. 

  101.       <span class="token function">btn</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    102. 

  102.     <span class="token punctuation">}</span>
    103. 

  103.   <span class="token punctuation">}</span>
    104. 

  104.   <span class="token comment">// 转化坐标</span>
    105. 

  105.   <span class="token keyword">let</span> digital <span class="token operator">=</span> <span class="token punctuation">{</span> <span class="token constant">A</span><span class="token punctuation">:</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token constant">B</span><span class="token punctuation">:</span> <span class="token number">7</span><span class="token punctuation">,</span> <span class="token constant">C</span><span class="token punctuation">:</span> <span class="token number">14</span><span class="token punctuation">,</span> <span class="token constant">D</span><span class="token punctuation">:</span> <span class="token number">21</span><span class="token punctuation">,</span> <span class="token constant">E</span><span class="token punctuation">:</span> <span class="token number">28</span><span class="token punctuation">,</span> <span class="token constant">F</span><span class="token punctuation">:</span> <span class="token number">35</span><span class="token punctuation">,</span> <span class="token constant">G</span><span class="token punctuation">:</span> <span class="token number">42</span> <span class="token punctuation">}</span><span class="token punctuation">;</span>
    106. 

  106.   <span class="token comment">// 使用随机数,初始化战舰位置</span>
    107. 

  107.   <span class="token keyword">let</span> ships <span class="token operator">=</span> <span class="token punctuation">{</span>
    108. 

  108.     <span class="token number">0</span><span class="token punctuation">:</span> Math<span class="token punctuation">.</span><span class="token function">floor</span><span class="token punctuation">(</span>Math<span class="token punctuation">.</span><span class="token function">random</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">*</span> <span class="token number">48</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
    109. 

  109.     <span class="token number">1</span><span class="token punctuation">:</span> Math<span class="token punctuation">.</span><span class="token function">floor</span><span class="token punctuation">(</span>Math<span class="token punctuation">.</span><span class="token function">random</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">*</span> <span class="token number">48</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
    110. 

  110.     <span class="token number">2</span><span class="token punctuation">:</span> Math<span class="token punctuation">.</span><span class="token function">floor</span><span class="token punctuation">(</span>Math<span class="token punctuation">.</span><span class="token function">random</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">*</span> <span class="token number">48</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
    111. 

  111.   <span class="token punctuation">}</span><span class="token punctuation">;</span>
    112. 

  112.   console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>ships<span class="token punctuation">)</span><span class="token punctuation">;</span>
    113. 

  113.   <span class="token comment">// 获取所有的`td`</span>
    114. 

  114.   <span class="token keyword">function</span> <span class="token function">btn</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    115. 

  115.     console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>coordinate<span class="token punctuation">.</span>value<span class="token punctuation">)</span><span class="token punctuation">;</span>
    116. 

  116.     <span class="token keyword">let</span> patt1 <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">RegExp</span><span class="token punctuation">(</span><span class="token regex">/^[a-g][0-6]/i</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    117. 

  117.     <span class="token keyword">if</span> <span class="token punctuation">(</span>patt1<span class="token punctuation">.</span><span class="token function">test</span><span class="token punctuation">(</span>coordinate<span class="token punctuation">.</span>value<span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    118. 

  118.       <span class="token comment">// 截取字符串中的首位,将其转化为大写字母</span>
    119. 

  119.       <span class="token keyword">let</span> coordinateText <span class="token operator">=</span> coordinate<span class="token punctuation">.</span>value<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">toUpperCase</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    120. 

  120.       <span class="token comment">// 玩家输入的战舰坐标</span>
    121. 

  121.       <span class="token keyword">let</span> coordinateNumber <span class="token operator">=</span>
    122. 

  122.         Number<span class="token punctuation">.</span><span class="token function">parseInt</span><span class="token punctuation">(</span>digital<span class="token punctuation">[</span>coordinateText<span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token operator">+</span>
    123. 

  123.         Number<span class="token punctuation">.</span><span class="token function">parseInt</span><span class="token punctuation">(</span>coordinate<span class="token punctuation">.</span>value<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    124. 

  124.       <span class="token comment">// 获取所有名为 `td` 的节点</span>
    125. 

  125.       <span class="token keyword">let</span> tds <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementsByTagName</span><span class="token punctuation">(</span><span class="token string">'td'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    126. 

  126.       <span class="token comment">// 判断玩家输入的坐标上,是否有战舰存在,如果有的话,就击沉战舰</span>
    127. 

  127.       <span class="token keyword">if</span> <span class="token punctuation">(</span>
    128. 

  128.         ships<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span> <span class="token operator">===</span> coordinateNumber <span class="token operator">||</span>
    129. 

  129.         ships<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span> <span class="token operator">===</span> coordinateNumber <span class="token operator">||</span>
    130. 

  130.         ships<span class="token punctuation">[</span><span class="token number">2</span><span class="token punctuation">]</span> <span class="token operator">===</span> coordinateNumber
    131. 

  131.       <span class="token punctuation">)</span> <span class="token punctuation">{</span>
    132. 

  132.         <span class="token comment">// 击沉战舰</span>
    133. 

  133.         tds<span class="token punctuation">[</span>coordinateNumber<span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">setAttribute</span><span class="token punctuation">(</span><span class="token string">'class'</span><span class="token punctuation">,</span> <span class="token string">'ship'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    134. 

  134.       <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
    135. 

  135.         <span class="token comment">// 没有击沉战舰</span>
    136. 

  136.         tds<span class="token punctuation">[</span>coordinateNumber<span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">setAttribute</span><span class="token punctuation">(</span><span class="token string">'class'</span><span class="token punctuation">,</span> <span class="token string">'miss'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    137. 

  137.       <span class="token punctuation">}</span>
    138. 

  138.     <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
    139. 

  139.       <span class="token function">alert</span><span class="token punctuation">(</span><span class="token string">'请输入正确的坐标;\n如: A6!'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    140. 

  140.     <span class="token punctuation">}</span>
    141. 

  141.   <span class="token punctuation">}</span>
    142. 

  142. <span class="token punctuation">}</span><span class="token punctuation">;</span>
    143. 

  143. </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br><span class="line-number">47</span><br><span class="line-number">48</span><br><span class="line-number">49</span><br><span class="line-number">50</span><br><span class="line-number">51</span><br></div></div><h2 id="vue-写法"><a href="#vue-写法" class="header-anchor">#</a> vue 写法</h2> <p>这里我做了一点改进,增加直接点击区域替换背景图标,详细功能请点击<a href="#%E5%B1%95%E7%A4%BA">展示</a></p> <div class="language-vue line-numbers-mode"><pre class="language-vue"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>template</span><span class="token punctuation">&gt;</span></span>
    144. 

  144.   <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>continuar<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    145. 

  145.     <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>table<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    146. 

  146.       <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">v-for</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>(item,index) in letter<span class="token punctuation">&quot;</span></span> <span class="token attr-name">:key</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>index<span class="token punctuation">&quot;</span></span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>tr<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    147. 

  147.         <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">v-for</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>i in [0,1,2,3,4,5,6]<span class="token punctuation">&quot;</span></span> <span class="token attr-name">:key</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">'</span>i<span class="token punctuation">'</span></span> <span class="token attr-name">ref</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>td<span class="token punctuation">&quot;</span></span> <span class="token attr-name">@click</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>btn(item+i,digital[item]+i)<span class="token punctuation">&quot;</span></span>
    148. 

  148.           <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>td<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    149. 

  149.         <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    150. 

  150.       <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    151. 

  151.     <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    152. 

  152.     <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>enter<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    153. 

  153.       <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>text<span class="token punctuation">&quot;</span></span> <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>A0<span class="token punctuation">&quot;</span></span> <span class="token attr-name">v-model</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>enter<span class="token punctuation">&quot;</span></span> <span class="token attr-name">maxlength</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>2<span class="token punctuation">&quot;</span></span>
    154. 

  154.         <span class="token attr-name">@keyup.enter</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>btn<span class="token punctuation">&quot;</span></span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>coordinate<span class="token punctuation">&quot;</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span><span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    155. 

  155.       <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>btn<span class="token punctuation">&quot;</span></span> <span class="token attr-name">@click</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>btn<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>输入<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    156. 

  156.       <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>btn reload<span class="token punctuation">&quot;</span></span> <span class="token attr-name">@click</span><span class="token attr-value"><span class="token punctuation">=</span><span class="token punctuation">&quot;</span>reload<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>重置<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    157. 

  157.     <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    158. 

  158.   <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    159. 

  159. <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>template</span><span class="token punctuation">&gt;</span></span>
    160. 

  160. <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
    161. 

  161. <span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
    162. 

  162.   <span class="token function">data</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    163. 

  163.     <span class="token keyword">return</span> <span class="token punctuation">{</span>
    164. 

  164.       letter<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">'A'</span><span class="token punctuation">,</span> <span class="token string">'B'</span><span class="token punctuation">,</span> <span class="token string">'C'</span><span class="token punctuation">,</span> <span class="token string">'D'</span><span class="token punctuation">,</span> <span class="token string">'E'</span><span class="token punctuation">,</span> <span class="token string">'F'</span><span class="token punctuation">,</span> <span class="token string">'G'</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
    165. 

  165.       digital<span class="token punctuation">:</span> <span class="token punctuation">{</span> <span class="token constant">A</span><span class="token punctuation">:</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token constant">B</span><span class="token punctuation">:</span> <span class="token number">7</span><span class="token punctuation">,</span> <span class="token constant">C</span><span class="token punctuation">:</span> <span class="token number">14</span><span class="token punctuation">,</span> <span class="token constant">D</span><span class="token punctuation">:</span> <span class="token number">21</span><span class="token punctuation">,</span> <span class="token constant">E</span><span class="token punctuation">:</span> <span class="token number">28</span><span class="token punctuation">,</span> <span class="token constant">F</span><span class="token punctuation">:</span> <span class="token number">35</span><span class="token punctuation">,</span> <span class="token constant">G</span><span class="token punctuation">:</span> <span class="token number">42</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
    166. 

  166.       enter<span class="token punctuation">:</span> <span class="token string">''</span><span class="token punctuation">,</span>
    167. 

  167.       ships<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    168. 

  168.         <span class="token number">0</span><span class="token punctuation">:</span> Math<span class="token punctuation">.</span><span class="token function">floor</span><span class="token punctuation">(</span>Math<span class="token punctuation">.</span><span class="token function">random</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">*</span> <span class="token number">48</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
    169. 

  169.         <span class="token number">1</span><span class="token punctuation">:</span> Math<span class="token punctuation">.</span><span class="token function">floor</span><span class="token punctuation">(</span>Math<span class="token punctuation">.</span><span class="token function">random</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">*</span> <span class="token number">48</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
    170. 

  170.         <span class="token number">2</span><span class="token punctuation">:</span> Math<span class="token punctuation">.</span><span class="token function">floor</span><span class="token punctuation">(</span>Math<span class="token punctuation">.</span><span class="token function">random</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">*</span> <span class="token number">48</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
    171. 

  171.       <span class="token punctuation">}</span><span class="token punctuation">,</span>
    172. 

  172.     <span class="token punctuation">}</span><span class="token punctuation">;</span>
    173. 

  173.   <span class="token punctuation">}</span><span class="token punctuation">,</span>
    174. 

  174.   methods<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    175. 

  175.     <span class="token comment">/**
    176. 

  176.      * 获取点击元素在父元素中的下标
    177. 

  177.      * @param {String} enters 坐标~~如:A6
    178. 

  178.      * @param {Number} index 被点击目标的下标
    179. 

  179.      */</span>
    180. 

  180.     <span class="token function">btn</span><span class="token punctuation">(</span><span class="token parameter">enters<span class="token punctuation">,</span> index</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    181. 

  181.       <span class="token comment">// 创建正则,匹配输入坐标是否符合格式要求如: A6</span>
    182. 

  182.       <span class="token keyword">let</span> patt1 <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">RegExp</span><span class="token punctuation">(</span><span class="token regex">/^[a-g][0-6]/i</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    183. 

  183.       <span class="token keyword">let</span> coordinateNumber<span class="token punctuation">,</span> coordinateText<span class="token punctuation">;</span>
    184. 

  184.       <span class="token keyword">if</span> <span class="token punctuation">(</span>enters<span class="token punctuation">.</span>length <span class="token operator">==</span> <span class="token number">2</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    185. 

  185.         <span class="token comment">// 同步更新输入框中的坐标,可关闭</span>
    186. 

  186.         <span class="token keyword">this</span><span class="token punctuation">.</span>enter <span class="token operator">=</span> enters<span class="token punctuation">;</span>
    187. 

  187.         <span class="token comment">// 判断玩家输入的坐标上,是否有战舰存在,如果有的话,就击沉战舰</span>
    188. 

  188.         <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">setAttribute</span><span class="token punctuation">(</span>index<span class="token punctuation">)</span><span class="token punctuation">;</span>
    189. 

  189.         <span class="token keyword">return</span><span class="token punctuation">;</span>
    190. 

  190.       <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token keyword">if</span> <span class="token punctuation">(</span>patt1<span class="token punctuation">.</span><span class="token function">test</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>enter<span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    191. 

  191.         <span class="token comment">// 截取字符串中的首位,将其转化为大写字母</span>
    192. 

  192.         coordinateText <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span>enter<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">toUpperCase</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    193. 

  193.         <span class="token comment">// 玩家输入的战舰坐标</span>
    194. 

  194.         coordinateNumber <span class="token operator">=</span>
    195. 

  195.           Number<span class="token punctuation">.</span><span class="token function">parseInt</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>digital<span class="token punctuation">[</span>coordinateText<span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token operator">+</span>
    196. 

  196.           Number<span class="token punctuation">.</span><span class="token function">parseInt</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>enter<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    197. 

  197.         <span class="token comment">// 判断玩家输入的坐标上,是否有战舰存在,如果有的话,就击沉战舰</span>
    198. 

  198.         <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">setAttribute</span><span class="token punctuation">(</span>coordinateNumber<span class="token punctuation">)</span><span class="token punctuation">;</span>
    199. 

  199.       <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
    200. 

  200.         <span class="token function">alert</span><span class="token punctuation">(</span><span class="token string">'请输入正确的坐标;\n如: A6!'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    201. 

  201.       <span class="token punctuation">}</span>
    202. 

  202.     <span class="token punctuation">}</span><span class="token punctuation">,</span>
    203. 

  203.     <span class="token comment">/**
    204. 

  204.      * 为目标元素替换类名
    205. 

  205.      * @param {Number} coordinateNumber 被点击目的的下标: 例如 45
    206. 

  206.      */</span>
    207. 

  207.     <span class="token function">setAttribute</span><span class="token punctuation">(</span><span class="token parameter">coordinateNumber</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    208. 

  208.       <span class="token keyword">let</span> getClassName <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span>$refs<span class="token punctuation">.</span>td<span class="token punctuation">[</span>coordinateNumber<span class="token punctuation">]</span>
    209. 

  209.         <span class="token punctuation">.</span><span class="token function">getAttribute</span><span class="token punctuation">(</span><span class="token string">'class'</span><span class="token punctuation">)</span>
    210. 

  210.         <span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token string">' '</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    211. 

  211.       <span class="token keyword">if</span> <span class="token punctuation">(</span>getClassName<span class="token punctuation">.</span>length <span class="token operator">&gt;</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    212. 

  212.         <span class="token function">alert</span><span class="token punctuation">(</span><span class="token template-string"><span class="token template-punctuation string">`</span><span class="token string">该区域已经</span><span class="token interpolation"><span class="token interpolation-punctuation punctuation">${</span>getClassName<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token interpolation-punctuation punctuation">}</span></span><span class="token string">,请切换其他空白区域!</span><span class="token template-punctuation string">`</span></span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    213. 

  213.         <span class="token keyword">return</span><span class="token punctuation">;</span>
    214. 

  214.       <span class="token punctuation">}</span>
    215. 

  215. 

  216.       <span class="token keyword">if</span> <span class="token punctuation">(</span>
    217. 

  217.         <span class="token keyword">this</span><span class="token punctuation">.</span>ships<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span> <span class="token operator">===</span> coordinateNumber <span class="token operator">||</span>
    218. 

  218.         <span class="token keyword">this</span><span class="token punctuation">.</span>ships<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span> <span class="token operator">===</span> coordinateNumber <span class="token operator">||</span>
    219. 

  219.         <span class="token keyword">this</span><span class="token punctuation">.</span>ships<span class="token punctuation">[</span><span class="token number">2</span><span class="token punctuation">]</span> <span class="token operator">===</span> coordinateNumber
    220. 

  220.       <span class="token punctuation">)</span> <span class="token punctuation">{</span>
    221. 

  221.         <span class="token comment">// 击沉战舰</span>
    222. 

  222.         <span class="token keyword">this</span><span class="token punctuation">.</span>$refs<span class="token punctuation">.</span>td<span class="token punctuation">[</span>coordinateNumber<span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">setAttribute</span><span class="token punctuation">(</span><span class="token string">'class'</span><span class="token punctuation">,</span> <span class="token string">'ship td'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    223. 

  223.       <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
    224. 

  224.         <span class="token comment">// 没有击沉战舰</span>
    225. 

  225.         <span class="token keyword">this</span><span class="token punctuation">.</span>$refs<span class="token punctuation">.</span>td<span class="token punctuation">[</span>coordinateNumber<span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">setAttribute</span><span class="token punctuation">(</span><span class="token string">'class'</span><span class="token punctuation">,</span> <span class="token string">'miss td'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    226. 

  226.       <span class="token punctuation">}</span>
    227. 

  227.     <span class="token punctuation">}</span><span class="token punctuation">,</span>
    228. 

  228.     <span class="token comment">/**
    229. 

  229.      * 重置this.data中部分kay的value
    230. 

  230.      */</span>
    231. 

  231.     <span class="token function">reload</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    232. 

  232.       <span class="token keyword">this</span><span class="token punctuation">.</span>enter <span class="token operator">=</span> <span class="token string">''</span><span class="token punctuation">;</span>
    233. 

  233.       <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">let</span> i <span class="token keyword">in</span> <span class="token keyword">this</span><span class="token punctuation">.</span>ships<span class="token punctuation">)</span> <span class="token punctuation">{</span>
    234. 

  234.         <span class="token keyword">this</span><span class="token punctuation">.</span>ships<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> Math<span class="token punctuation">.</span><span class="token function">floor</span><span class="token punctuation">(</span>Math<span class="token punctuation">.</span><span class="token function">random</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">*</span> <span class="token number">48</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    235. 

  235.       <span class="token punctuation">}</span>
    236. 

  236.       <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">let</span> i <span class="token keyword">in</span> <span class="token keyword">this</span><span class="token punctuation">.</span>$refs<span class="token punctuation">.</span>td<span class="token punctuation">)</span> <span class="token punctuation">{</span>
    237. 

  237.         <span class="token keyword">this</span><span class="token punctuation">.</span>$refs<span class="token punctuation">.</span>td<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">setAttribute</span><span class="token punctuation">(</span><span class="token string">'class'</span><span class="token punctuation">,</span> <span class="token string">'td'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    238. 

  238.       <span class="token punctuation">}</span>
    239. 

  239.     <span class="token punctuation">}</span><span class="token punctuation">,</span>
    240. 

  240.   <span class="token punctuation">}</span><span class="token punctuation">,</span>
    241. 

  241. <span class="token punctuation">}</span><span class="token punctuation">;</span>
    242. 

  242. </span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>
    243. 

  243. <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span> <span class="token attr-name">scoped</span><span class="token punctuation">&gt;</span></span><span class="token style"><span class="token language-css">
    244. 

  244. <span class="token selector">.continuar</span> <span class="token punctuation">{</span>
    245. 

  245.   <span class="token property">margin</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    246. 

  246.   <span class="token property">width</span><span class="token punctuation">:</span> 650px<span class="token punctuation">;</span>
    247. 

  247.   <span class="token property">position</span><span class="token punctuation">:</span> relative<span class="token punctuation">;</span>
    248. 

  248.   <span class="token property">height</span><span class="token punctuation">:</span> 650px<span class="token punctuation">;</span>
    249. 

  249.   <span class="token property">background</span><span class="token punctuation">:</span> <span class="token url"><span class="token function">url</span><span class="token punctuation">(</span>'/images/js/2018_11_02/board.jpg'<span class="token punctuation">)</span></span> no-repeat<span class="token punctuation">;</span>
    250. 

  250.   <span class="token property">background-size</span><span class="token punctuation">:</span> contain<span class="token punctuation">;</span>
    251. 

  251. <span class="token punctuation">}</span>
    252. 

  252. 

  253. <span class="token selector">.table</span> <span class="token punctuation">{</span>
    254. 

  254.   <span class="token property">margin</span><span class="token punctuation">:</span> 0 auto<span class="token punctuation">;</span>
    255. 

  255.   <span class="token property">padding-top</span><span class="token punctuation">:</span> 62px<span class="token punctuation">;</span>
    256. 

  256.   <span class="token property">padding-left</span><span class="token punctuation">:</span> 106px<span class="token punctuation">;</span>
    257. 

  257. <span class="token punctuation">}</span>
    258. 

  258. 

  259. <span class="token selector">.tr</span> <span class="token punctuation">{</span>
    260. 

  260.   <span class="token property">display</span><span class="token punctuation">:</span> flex<span class="token punctuation">;</span>
    261. 

  261. <span class="token punctuation">}</span>
    262. 

  262. 

  263. <span class="token selector">.tr .td</span> <span class="token punctuation">{</span>
    264. 

  264.   <span class="token property">flex</span><span class="token punctuation">:</span> 0 0 62px<span class="token punctuation">;</span>
    265. 

  265.   <span class="token property">height</span><span class="token punctuation">:</span> 61px<span class="token punctuation">;</span>
    266. 

  266.   <span class="token property">line-height</span><span class="token punctuation">:</span> 61px<span class="token punctuation">;</span>
    267. 

  267.   <span class="token property">text-align</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span>
    268. 

  268.   <span class="token property">color</span><span class="token punctuation">:</span> white<span class="token punctuation">;</span>
    269. 

  269.   <span class="token property">box-sizing</span><span class="token punctuation">:</span> border-box<span class="token punctuation">;</span>
    270. 

  270. <span class="token punctuation">}</span>
    271. 

  271. 

  272. <span class="token selector">.td.ship</span> <span class="token punctuation">{</span>
    273. 

  273.   <span class="token property">background</span><span class="token punctuation">:</span> <span class="token url"><span class="token function">url</span><span class="token punctuation">(</span>'/images/js/2018_11_02/ship.png'<span class="token punctuation">)</span></span> no-repeat<span class="token punctuation">;</span>
    274. 

  274.   <span class="token property">background-size</span><span class="token punctuation">:</span> 70%<span class="token punctuation">;</span>
    275. 

  275.   <span class="token property">background-position</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span>
    276. 

  276. <span class="token punctuation">}</span>
    277. 

  277. 

  278. <span class="token selector">.td.miss</span> <span class="token punctuation">{</span>
    279. 

  279.   <span class="token property">background</span><span class="token punctuation">:</span> <span class="token url"><span class="token function">url</span><span class="token punctuation">(</span>'/images/js/2018_11_02/miss.png'<span class="token punctuation">)</span></span> no-repeat<span class="token punctuation">;</span>
    280. 

  280.   <span class="token property">background-size</span><span class="token punctuation">:</span> 70%<span class="token punctuation">;</span>
    281. 

  281.   <span class="token property">background-position</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span>
    282. 

  282. <span class="token punctuation">}</span>
    283. 

  283. 

  284. <span class="token selector">.enter</span> <span class="token punctuation">{</span>
    285. 

  285.   <span class="token property">position</span><span class="token punctuation">:</span> absolute<span class="token punctuation">;</span>
    286. 

  286.   <span class="token property">right</span><span class="token punctuation">:</span> 5px<span class="token punctuation">;</span>
    287. 

  287.   <span class="token property">top</span><span class="token punctuation">:</span> 5px<span class="token punctuation">;</span>
    288. 

  288.   <span class="token property">display</span><span class="token punctuation">:</span> flex<span class="token punctuation">;</span>
    289. 

  289.   <span class="token property">padding</span><span class="token punctuation">:</span> 5px<span class="token punctuation">;</span>
    290. 

  290.   <span class="token property">margin-left</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    291. 

  291.   <span class="token property">margin-right</span><span class="token punctuation">:</span> auto<span class="token punctuation">;</span>
    292. 

  292. <span class="token punctuation">}</span>
    293. 

  293. 

  294. <span class="token selector">.enter input</span> <span class="token punctuation">{</span>
    295. 

  295.   <span class="token property">height</span><span class="token punctuation">:</span> 35px<span class="token punctuation">;</span>
    296. 

  296.   <span class="token property">color</span><span class="token punctuation">:</span> #000000<span class="token punctuation">;</span>
    297. 

  297.   <span class="token property">background-color</span><span class="token punctuation">:</span> <span class="token function">rgb</span><span class="token punctuation">(</span>159<span class="token punctuation">,</span> 255<span class="token punctuation">,</span> 48<span class="token punctuation">)</span><span class="token punctuation">;</span>
    298. 

  298.   <span class="token property">display</span><span class="token punctuation">:</span> block<span class="token punctuation">;</span>
    299. 

  299.   <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span>
    300. 

  300.   <span class="token property">border</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    301. 

  301. <span class="token punctuation">}</span>
    302. 

  302. 

  303. <span class="token selector">.enter .btn</span> <span class="token punctuation">{</span>
    304. 

  304.   <span class="token property">height</span><span class="token punctuation">:</span> 25px<span class="token punctuation">;</span>
    305. 

  305.   <span class="token property">float</span><span class="token punctuation">:</span> left<span class="token punctuation">;</span>
    306. 

  306.   <span class="token property">padding</span><span class="token punctuation">:</span> 0 5px<span class="token punctuation">;</span>
    307. 

  307.   <span class="token property">cursor</span><span class="token punctuation">:</span> pointer<span class="token punctuation">;</span>
    308. 

  308.   <span class="token property">font-size</span><span class="token punctuation">:</span> 12px<span class="token punctuation">;</span>
    309. 

  309.   <span class="token property">color</span><span class="token punctuation">:</span> aliceblue<span class="token punctuation">;</span>
    310. 

  310.   <span class="token property">margin-left</span><span class="token punctuation">:</span> 5px<span class="token punctuation">;</span>
    311. 

  311.   <span class="token property">line-height</span><span class="token punctuation">:</span> 25px<span class="token punctuation">;</span>
    312. 

  312.   <span class="token property">user-select</span><span class="token punctuation">:</span> none<span class="token punctuation">;</span>
    313. 

  313.   <span class="token property">text-align</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span>
    314. 

  314.   <span class="token property">background-color</span><span class="token punctuation">:</span> #41510d<span class="token punctuation">;</span>
    315. 

  315.   <span class="token property">border</span><span class="token punctuation">:</span> 5px solid #46e234<span class="token punctuation">;</span>
    316. 

  316. <span class="token punctuation">}</span>
    317. 

  317. </span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">&gt;</span></span>
    318. 

  318. 

  319. </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span 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