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  536.             服务器生存指南
    537. 

  537. 

  538.         
    539. 

  539.         </a>
    540. 

  540.         
    541. 

  541. 

  542.         
    543. 

  543.     
    544. 

  544.         
    545. 

  545.         <a href="../../ubuntu/instruction.html" class="list-group-item ">
    546. 

  546.         
    547. 

  547. 

  548.             
    549. 

  549. 

  550.             
    551. 

  551. 

  552.             常用指令
    553. 

  553. 

  554.         
    555. 

  555.         </a>
    556. 

  556.         
    557. 

  557. 

  558.         
    559. 

  559.     
    560. 

  560.         
    561. 

  561.         <a href="../../ubuntu/software/" class="list-group-item ">
    562. 

  562.         
    563. 

  563. 

  564.             
    565. 

  565. 

  566.             
    567. 

  567. 

  568.             常用软件安装
    569. 

  569. 

  570.         
    571. 

  571.         </a>
    572. 

  572.         
    573. 

  573. 

  574.         
    575. 

  575.     
    576. 

  576. 

  577.         </div>
    578. 

  578.     </div>
    579. 

  579.     
    580. 

  580.     <div class="panel panel-default">
    581. 

  581.         
    582. 

  582.         <div class="panel-heading">
    583. 

  583.             <h3 class="panel-title">GIT</h3>
    584. 

  584.         </div>
    585. 

  585.         
    586. 

  586. 

  587.         <div class="list-group">
    588. 

  588.             
    589. 

  589.     
    590. 

  590.         
    591. 

  591.         <a href="../../git/git.html" class="list-group-item ">
    592. 

  592.         
    593. 

  593. 

  594.             
    595. 

  595. 

  596.             
    597. 

  597. 

  598.             git 命令
    599. 

  599. 

  600.         
    601. 

  601.         </a>
    602. 

  602.         
    603. 

  603. 

  604.         
    605. 

  605.     
    606. 

  606.         
    607. 

  607.         <a href="../../git/push.html" class="list-group-item ">
    608. 

  608.         
    609. 

  609. 

  610.             
    611. 

  611. 

  612.             
    613. 

  613. 

  614.             git~push
    615. 

  615. 

  616.         
    617. 

  617.         </a>
    618. 

  618.         
    619. 

  619. 

  620.         
    621. 

  621.     
    622. 

  622.         
    623. 

  623.         <a href="../../git/faq.html" class="list-group-item ">
    624. 

  624.         
    625. 

  625. 

  626.             
    627. 

  627. 

  628.             
    629. 

  629. 

  630.             git~F.A.Q
    631. 

  631. 

  632.         
    633. 

  633.         </a>
    634. 

  634.         
    635. 

  635. 

  636.         
    637. 

  637.     
    638. 

  638. 

  639.         </div>
    640. 

  640.     </div>
    641. 

  641.     
    642. 

  642.     <div class="panel panel-default">
    643. 

  643.         
    644. 

  644.         <div class="panel-heading">
    645. 

  645.             <h3 class="panel-title">NODE&NPM</h3>
    646. 

  646.         </div>
    647. 

  647.         
    648. 

  648. 

  649.         <div class="list-group">
    650. 

  650.             
    651. 

  651.     
    652. 

  652.         
    653. 

  653.         <a href="../../node/0.html" class="list-group-item ">
    654. 

  654.         
    655. 

  655. 

  656.             
    657. 

  657. 

  658.             
    659. 

  659.             <i class="octicon octicon-chevron-right"></i>
    660. 

  660.             
    661. 

  661. 

  662.             node
    663. 

  663. 

  664.         
    665. 

  665.         </a>
    666. 

  666.         
    667. 

  667. 

  668.         
    669. 

  669.     
    670. 

  670.         
    671. 

  671.         <a href="../../node/npm/0.html" class="list-group-item ">
    672. 

  672.         
    673. 

  673. 

  674.             
    675. 

  675. 

  676.             
    677. 

  677. 

  678.             npm
    679. 

  679. 

  680.         
    681. 

  681.         </a>
    682. 

  682.         
    683. 

  683. 

  684.         
    685. 

  685.     
    686. 

  686. 

  687.         </div>
    688. 

  688.     </div>
    689. 

  689.     
    690. 

  690.     <div class="panel panel-default">
    691. 

  691.         
    692. 

  692. 

  693.         <div class="list-group">
    694. 

  694.             
    695. 

  695.     
    696. 

  696.         
    697. 

  697.         <a href="../../other/faq.html" class="list-group-item ">
    698. 

  698.         
    699. 

  699. 

  700.             
    701. 

  701. 

  702.             
    703. 

  703. 

  704.             FAQ
    705. 

  705. 

  706.         
    707. 

  707.         </a>
    708. 

  708.         
    709. 

  709. 

  710.         
    711. 

  711.     
    712. 

  712.         
    713. 

  713.         <a href="../../other/examples.html" class="list-group-item ">
    714. 

  714.         
    715. 

  715. 

  716.             
    717. 

  717. 

  718.             
    719. 

  719. 

  720.             Examples
    721. 

  721. 

  722.         
    723. 

  723.         </a>
    724. 

  724.         
    725. 

  725. 

  726.         
    727. 

  727.     
    728. 

  728. 

  729.         </div>
    730. 

  730.     </div>
    731. 

  731.     
    732. 

  732. 

  733. 

  734. 

  735.                     </div>
    736. 

  736.                     <div class="col-md-9">
    737. 

  737.                         
    738. 

  738. <div id="book-search-results">
    739. 

  739.     <div class="search-noresults">
    740. 

  740.     
    741. 

  741.                             
    742. 

  742. 

  743.                             <div class="gb-markdown book-page-inner">
    744. 

  744.                                 <h1 id="javascript&#x4E8B;&#x4EF6;&#x6D41;">JavaScript&#x4E8B;&#x4EF6;&#x6D41;</h1>
    745. 

  745. <h2 id="&#x5B9A;&#x4E49;">&#x5B9A;&#x4E49;</h2>
    746. 

  746. <blockquote>
    747. 

  747. <p>&#x7533;&#x660E;&#xFF1A;&#x672C;&#x6587;&#x4EC5;&#x9650;&#x79C1;&#x4EBA;&#x5B66;&#x4E60;&#x4E4B;&#x7528;---- <a href="http://www.cnblogs.com/blackwood/archive/2013/03/14/2959195.html" target="_blank">&#x539F;&#x6587;</a>&#xFF1B;</p>
    748. 

  748. <p>&#x4E0B;&#x56FE;&#x5C55;&#x793A;&#x4E86;&#x5B8C;&#x6574;&#x7684;js&#x4E8B;&#x4EF6;&#x6D41;</p>
    749. 

  749. </blockquote>
    750. 

  750. <p><img src="http://images.cnblogs.com/cnblogs_com/blackwood/416364/o_eventpic.jpg"></p>
    751. 

  751. <h4 id="&#x6355;&#x83B7;&#x9636;&#x6BB5;&#xFF1A;documentelementhtmlelementbodyelementdiv">&#x6355;&#x83B7;&#x9636;&#x6BB5;&#xFF1A;Document==&gt;ElementHtml==&gt;ElementBody==&gt;ElementDiv</h4>
    752. 

  752. <h4 id="&#x5192;&#x6CE1;&#x9636;&#x6BB5;&#xFF1A;elementdivelementbodyelementhtmldocument">&#x5192;&#x6CE1;&#x9636;&#x6BB5;&#xFF1A;ElementDiv==&gt;ElementBody==&gt;ElementHtml==&gt;Document</h4>
    753. 

  753. <h2 id="&#x5206;&#x6790;">&#x5206;&#x6790;</h2>
    754. 

  754. <blockquote>
    755. 

  755. <h4 id="&#x6355;&#x83B7;&#x9636;&#x6BB5;&#xFF1A;">&#x6355;&#x83B7;&#x9636;&#x6BB5;&#xFF1A;</h4>
    756. 

  756. <p>document&#x5BF9;&#x8C61;&#x9996;&#x5148;&#x63A5;&#x6536;&#x5230;click&#x4E8B;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x4E8B;&#x4EF6;&#x6CBF;DOM&#x6811;&#x4F9D;&#x6B21;&#x5411;&#x4E0B;&#xFF0C;&#x4E00;&#x76F4;&#x4F20;&#x64AD;&#x5230;&#x4E8B;&#x4EF6;&#x7684;&#x5B9E;&#x9645;&#x76EE;&#x6807;&#x3002;<br></p>
    757. 

  757. <h4 id="&#x5192;&#x6CE1;&#x9636;&#x6BB5;&#xFF1A;">&#x5192;&#x6CE1;&#x9636;&#x6BB5;&#xFF1A;</h4>
    758. 

  758. <p>IE&#x7684;&#x4E8B;&#x4EF6;&#x6D41;&#x53EB;&#x505A;&#x4E8B;&#x4EF6;&#x5192;&#x6CE1;&#xFF08;event bubbling&#xFF09;&#xFF0C;&#x5373;&#x4E8B;&#x4EF6;&#x5F00;&#x59CB;&#x65F6;&#x7531;&#x6700;&#x5177;&#x4F53;&#x7684;&#x5143;&#x7D20;&#xFF08;&#x6587;&#x6863;&#x4E2D;&#x5D4C;&#x5957;&#x5C42;&#x6B21;&#x6700;&#x6DF1;&#x7684;&#x90A3;&#x4E2A;&#x8282;&#x70B9;&#xFF09;&#x63A5;&#x6536;&#xFF0C;&#x7136;&#x540E;&#x9010;&#x7EA7;&#x5411;&#x4E0A;&#x4F20;&#x64AD;&#x5230;&#x8F83;&#x4E3A;&#x4E0D;&#x5177;&#x4F53;&#x7684;&#x8282;&#x70B9;&#xFF08; &#x6587;&#x6863;&#xFF09;&#x3002;</p>
    759. 

  759. </blockquote>
    760. 

  760. <h2 id="&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;">&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;</h2>
    761. 

  761. <h3 id="html&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;">html&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;</h3>
    762. 

  762. <blockquote>
    763. 

  763. <h4 id="&#x4E8B;&#x4EF6;&#x5BF9;&#x8C61;&#xFF1A;">&#x4E8B;&#x4EF6;&#x5BF9;&#x8C61;&#xFF1A;</h4>
    764. 

  764. <pre><code>event:&#x4E0D;&#x662F;&#x81EA;&#x5DF1;&#x5B9A;&#x4E49;&#x7684;&#xFF0C;&#x662F;&#x7D66;&#x5143;&#x7D20;&#x7D81;&#x5B9A;&#x4E8B;&#x4EF6;&#x4E4B;&#x540E;&#xFF0C;&#x81EA;&#x52A8;&#x751F;&#x6210;&#x7684;&#x5C40;&#x90E8;&#x53D8;&#x91CF;&#xFF0C;&#x8868;&#x793A;&#x4E8B;&#x4EF6;&#x5BF9;&#x8C61;&#x3002;
    765. 

  765. this:&#x5728;&#x51FD;&#x6578;&#x5167;&#x90E8;&#xFF0C;&#x7B49;&#x4E8E;&#x4E8B;&#x4EF6;&#x7684;&#x76EE;&#x6807;&#x5143;&#x7D20;&#xFF1B;&#x5728;&#x51FD;&#x6578;&#x5167;&#x90E8;&#x53EF;&#x4EE5;&#x50CF;&#x8BBF;&#x95EE;&#x5C40;&#x90E8;&#x53D8;&#x91CF;&#x4E00;&#x6837;&#x8BBF;&#x95EE;document&#x53CA;&#x8BE5;&#x5143;&#x7D20;&#x672C;&#x8EAB;&#x7684;&#x6210;&#x5458;&#x3002;
    766. 

  766. </code></pre><pre><code class="lang-js"><span class="hljs-comment">//&#x5982;&#x679C;&#x5F53;&#x524D;&#x5143;&#x7D20;&#x662F;&#x4E00;&#x500B;&#x8868;&#x5355;&#x7684;&#x8F38;&#x5165;&#x5143;&#x7D20;&#xFF0C;&#x5219;&#x4F5C;&#x7528;&#x57DF;&#x4E2D;&#x8FD8;&#x4F1A;&#x5305;&#x542B;&#x8BBF;&#x95EE;&#x8868;&#x5355;&#x5143;&#x7D20;&#xFF08;&#x7236;&#x5143;&#x7D20;&#xFF09;&#x7684;&#x5165;&#x53E3;</span>
    767. 

  767. (<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
    768. 

  768.    <span class="hljs-keyword">with</span>(<span class="hljs-built_in">document</span>){
    769. 

  769.      <span class="hljs-keyword">with</span>(<span class="hljs-keyword">this</span>.from){
    770. 

  770.        <span class="hljs-comment">//&#x5143;&#x7D20;&#x5C5E;&#x6027;&#x503C;</span>
    771. 

  771.      }
    772. 

  772.    }
    773. 

  773.  })()
    774. 

  774. </code></pre>
    775. 

  775. </blockquote>
    776. 

  776. <h4 id="&#x7F3A;&#x70B9;&#xFF1A;">&#x7F3A;&#x70B9;&#xFF1A;</h4>
    777. 

  777. <pre><code>1.&#x65F6;&#x5DEE;&#x95EE;&#x9898;&#xFF0C;&#x7528;&#x6236;&#x53EF;&#x80FD;&#x4F1A;&#x5728;HTML&#x5143;&#x7D20;&#x4E00;&#x51FA;&#x73FE;&#x5728;&#x9875;&#x9762;&#x4E0A;&#x65F6;&#xFF0C;&#x5C31;&#x89E6;&#x53D1;&#x76F8;&#x5E94;&#x4E8B;&#x4EF6;&#xFF0C;&#x4F46;&#x5F53;&#x65F6;&#x8BE5;&#x4E8B;&#x4EF6;&#x6709;&#x53EF;&#x80FD;&#x4E0D;&#x5177;&#x5907;&#x6267;&#x884C;&#x6761;&#x4EF6;&#x3002;
    778. 

  778. 2.&#x8FD9;&#x6837;&#x6269;&#x5C55;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x7684;&#x4F5C;&#x7528;&#x57DF;&#x94FE;&#x5728;&#x4E0D;&#x540C;&#x6D4F;&#x89C8;&#x5668;&#x4E2D;&#x4F1A;&#x5BFC;&#x81F4;&#x4E0D;&#x540C;&#x7ED3;&#x679C;&#x3002;&#x4E0D;&#x540C;JavaScript&#x5F15;&#x64CE;&#x9075;&#x5FAA;&#x7684;&#x6807;&#x8BC6;&#x7B26;&#x89E3;&#x6790;&#x89C4;&#x5219;&#x7565;&#x6709;&#x5DEE;&#x5F02;&#xFF0C;&#x5F88;&#x53EF;&#x80FD;&#x4F1A;&#x5728;&#x8BBF;&#x95EE;&#x975E;&#x9650;&#x5B9A;&#x5BF9;&#x8C61;&#x6210;&#x5458;&#x65F6;&#x51FA;&#x9519;&#x3002;(&#x9AD8;&#x8026;&#x5408;)
    779. 

  779. </code></pre><h3 id="dom0&#x7EA7;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;">DOM0&#x7EA7;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;</h3>
    780. 

  780. <blockquote>
    781. 

  781. <p>&#x901A;&#x8FC7;js&#x6307;&#x5B9A;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x7684;&#x4F20;&#x7EDF;&#x65B9;&#x5F0F;&#xFF0C;&#x5C31;&#x662F;&#x5C06;&#x4E00;&#x4E2A;&#x51FD;&#x6570;&#x8D4B;&#x503C;&#x7ED9;&#x4E00;&#x4E2A;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x5C5E;&#x6027;</p>
    782. 

  782. <pre><code class="lang-js"><span class="hljs-comment">//&#x521B;&#x5EFA;</span>
    783. 

  783. <span class="hljs-keyword">var</span> btn = <span class="hljs-built_in">document</span>.getElementById(<span class="hljs-string">&quot;myBtn&quot;</span>);
    784. 

  784. btn.onclick=<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
    785. 

  785.   alert(<span class="hljs-string">&quot;Clicked&quot;</span>);
    786. 

  786. }
    787. 

  787. <span class="hljs-comment">//&#x5220;&#x9664;</span>
    788. 

  788. btn.onclick=<span class="hljs-literal">null</span>;
    789. 

  789. </code></pre>
    790. 

  790. </blockquote>
    791. 

  791. <h3 id="dom2&#x7EA7;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;">DOM2&#x7EA7;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;</h3>
    792. 

  792. <h4 id="addeventlistener">addEventListener()</h4>
    793. 

  793. <blockquote>
    794. 

  794. <p>&#x4E3A;&#x6307;&#x5B9A;&#x4E8B;&#x4EF6;&#x6DFB;&#x52A0;&#x5904;&#x7406;&#x7A0B;&#x5E8F;</p>
    795. 

  795. <pre><code class="lang-js"><span class="hljs-comment">// &#x4E0B;&#x9762;&#x8FD9;&#x6BB5;&#x7A0B;&#x5E8F;&#x4E2D;&#x56E0;&#x4E3A;&#x6DFB;&#x52A0;&#x4E86;false&#xFF0C;&#x6240;&#x4EE5;&#x8BE5;&#x4E8B;&#x4EF6;&#x4F1A;&#x5728;&#x5192;&#x6CE1;&#x9636;&#x6BB5;&#x88AB;&#x89E6;&#x53D1;</span>
    796. 

  796. <span class="hljs-keyword">var</span> btn=<span class="hljs-built_in">document</span>.getElementById(<span class="hljs-string">&apos;myBtn&apos;</span>);
    797. 

  797. btn.addEventListener(<span class="hljs-string">&quot;click&quot;</span>,<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
    798. 

  798.   alert(<span class="hljs-string">&quot;this.id&quot;</span>);
    799. 

  799. },<span class="hljs-literal">false</span>);
    800. 

  800. <span class="hljs-comment">// &#x4F7F;&#x7528; DOM2 &#x7EA7;&#x65B9;&#x6CD5;&#x6DFB;&#x52A0;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x7684;&#x4E3B;&#x8981;&#x597D;&#x5904;&#x662F;&#x53EF;&#x4EE5;&#x6DFB;&#x52A0;&#x591A;&#x4E2A;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x3002;</span>
    801. 

  801. <span class="hljs-comment">// &#x8FD9;&#x4E24;&#x4E2A;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x4F1A;&#x6309;&#x7167;&#x6DFB;&#x52A0;&#x5B83;&#x4EEC;&#x7684;&#x987A;&#x5E8F;&#x89E6;&#x53D1;&#xFF0C;&#x56E0;&#x6B64;&#x9996;&#x5148;&#x4F1A;&#x663E;&#x793A;&#x5143;&#x7D20;&#x7684;ID&#xFF0C;&#x5176;&#x6B21;&#x4F1A;&#x663E;&#x793A;&quot; Hello world!&quot; &#x6D88;&#x606F;&#x3002;</span>
    802. 

  802. <span class="hljs-keyword">var</span> btn=<span class="hljs-built_in">document</span>.getElementById(<span class="hljs-string">&quot;myBtn&quot;</span>);
    803. 

  803. btn.addEventListener(<span class="hljs-string">&quot;click&quot;</span>,<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
    804. 

  804.   alert(<span class="hljs-string">&quot;this.id&quot;</span>)
    805. 

  805. },<span class="hljs-literal">false</span>);
    806. 

  806. btn.addEventListener(<span class="hljs-string">&quot;click&quot;</span>,<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
    807. 

  807.   alert(<span class="hljs-string">&quot;Hello World&#xFF01;&quot;</span>)
    808. 

  808. },<span class="hljs-literal">false</span>);
    809. 

  809. </code></pre>
    810. 

  810. </blockquote>
    811. 

  811. <h4 id="removeeventlistener">removeEventListener()</h4>
    812. 

  812. <blockquote>
    813. 

  813. <p>&#x5220;&#x9664;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;</p>
    814. 

  814. <pre><code class="lang-js"><span class="hljs-comment">// &#x4E0B;&#x9762;&#x8FD9;&#x4E2A;&#x51FD;&#x6570;&#xFF0C;&#x867D;&#x7136;&#x770B;&#x8D77;&#x6765;&#x5408;&#x4E4E;&#x903B;&#x8F91;&#xFF0C;&#x4F46;&#x662F;removeEventListener&#x6E05;&#x9664;&#x7684;&#x7A0B;&#x5E8F;&#x4E0E;addEventListener&#x7ED1;&#x5B9A;&#x7684;&#x4E8B;&#x4EF6;&#x4E0D;&#x662F;&#x540C;&#x4E00;&#x4E2A;</span>
    815. 

  815. <span class="hljs-keyword">var</span> btn=<span class="hljs-built_in">document</span>.getElementById(<span class="hljs-string">&quot;myBtn&quot;</span>);
    816. 

  816. btn.addEventListener(<span class="hljs-string">&quot;click&quot;</span>,<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
    817. 

  817.   alert(<span class="hljs-string">&quot;Hello World&#xFF01;&quot;</span>)
    818. 

  818. },<span class="hljs-literal">false</span>);
    819. 

  819. btn.removeEventListener(<span class="hljs-string">&quot;click&quot;</span>,<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
    820. 

  820.   alert(<span class="hljs-string">&quot;Hello World!&quot;</span>);
    821. 

  821. })
    822. 

  822. <span class="hljs-comment">// &#x6211;&#x4EEC;&#x5728;&#x8FD9;&#x91CC;&#x7528;&#x53E6;&#x4E00;&#x4E2A;&#x4F8B;&#x5B50;&#x6765;&#x8868;&#x73B0;,&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x4E2D;&#x7ED1;&#x5B9A;&#x4E8B;&#x4EF6;&#x7A0B;&#x5E8F;&#x4E0E;&#x5220;&#x9664;&#x4E8B;&#x4EF6;&#x7A0B;&#x5E8F;&#x4F7F;&#x7528;&#x4E86;&#x76F8;&#x540C;&#x7684;&#x51FD;&#x6570;</span>
    823. 

  823. <span class="hljs-keyword">var</span> btn=<span class="hljs-built_in">document</span>.getElementById(<span class="hljs-string">&quot;myBtn&quot;</span>);
    824. 

  824. <span class="hljs-keyword">var</span> handler = <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{
    825. 

  825.   alert(<span class="hljs-keyword">this</span>.id);
    826. 

  826. }
    827. 

  827. btn.addEventListener(<span class="hljs-string">&quot;click&quot;</span>,handler,<span class="hljs-literal">false</span>);
    828. 

  828. btn.removeEventListener(<span class="hljs-string">&quot;click&quot;</span>,handler,<span class="hljs-literal">false</span>);
    829. 

  829. </code></pre>
    830. 

  830. </blockquote>
    831. 

  831. <h3 id="&#x5EFA;&#x8BAE;">&#x5EFA;&#x8BAE;</h3>
    832. 

  832. <blockquote>
    833. 

  833. <p>&#x5927;&#x591A;&#x6570;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x90FD;&#x662F;&#x5C06;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x6DFB;&#x52A0;&#x5230;&#x4E8B;&#x4EF6;&#x6D41;&#x7684;&#x5192;&#x6CE1;&#x9636;&#x6BB5;&#xFF0C;&#x8FD9;&#x6837;&#x53EF;&#x4EE5;&#x6700;&#x5927;&#x9650;&#x5EA6;&#x5730;&#x517C;&#x5BB9;&#x5404;&#x79CD;&#x6D4F;&#x89C8;&#x5668;&#x3002;&#x6700;&#x597D;&#x53EA;&#x5728;&#x9700;&#x8981;&#x5728;&#x4E8B;&#x4EF6;&#x5230;&#x8FBE;&#x76EE;&#x6807;&#x4E4B;&#x524D;&#x622A;&#x83B7;&#x5B83;&#x7684;&#x65F6;&#x5019;&#x5C06;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x6DFB;&#x52A0;&#x5230;&#x6355;&#x83B7;&#x9636;&#x6BB5;&#x3002;&#x5982;&#x679C;&#x4E0D;&#x662F;&#x7279;&#x522B;&#x9700;&#x8981;&#xFF0C;&#x6211;&#x4EEC;&#x4E0D;&#x5EFA;&#x8BAE;&#x5728;&#x4E8B;&#x4EF6;&#x6355;&#x83B7;&#x9636;&#x6BB5;&#x6CE8;&#x518C;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x3002;</p>
    834. 

  834. </blockquote>
    835. 

  835. <h2 id="ie&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;">IE&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;</h2>
    836. 

  836. <blockquote>
    837. 

  837. <p>IE&#x5B9E;&#x73B0;&#x4E86;&#x4E0E;DOM&#x4E2D;&#x7C7B;&#x4F3C;&#x7684;&#x4E24;&#x4E2A;&#x65B9;&#x6CD5;&#xFF1A;attachEvent()&#x548C;detachEvent()&#x3002;&#x8FD9;&#x4E24;&#x4E2A;&#x65B9;&#x6CD5;&#x63A5;&#x53D7;&#x76F8;&#x540C;&#x7684;&#x4E24;&#x4E2A;&#x53C2;&#x6570;&#xFF1A;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x540D;&#x79F0;&#x4E0E;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x51FD;&#x6570;&#x3002;&#x7531;&#x4E8E;IE8&#x53CA;&#x66F4;&#x65E9;&#x7248;&#x672C;&#x53EA;&#x652F;&#x6301;&#x4E8B;&#x4EF6;&#x5192;&#x6CE1;&#xFF0C;&#x6240;&#x4EE5;&#x901A;&#x8FC7;attachEvent()&#x6DFB;&#x52A0;&#x7684;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x90FD;&#x4F1A;&#x88AB;&#x6DFB;&#x52A0;&#x5230;&#x5192;&#x6CE1;&#x9636;&#x6BB5;&#x3002;</p>
    838. 

  838. </blockquote>
    839. 

  839. <h3 id="attachevent">attachEvent()</h3>
    840. 

  840. <pre><code class="lang-js"><span class="hljs-comment">// &#x4E0B;&#x9762;&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x4E2D; &#x4E8B;&#x4EF6;&#x7ED1;&#x5B9A; &#x65F6; ,&#x7B2C;&#x4E00;&#x4E2A;&#x53C2;&#x6570;&#x7528;&#x7684;&#x662F; onclick&#xFF0C;IE&#x4F7F;&#x7528;attachEvent()&#x4E0E;&#x4F7F;&#x7528;DOM0&#x65B9;&#x6CD5;&#x7684;&#x4E3B;&#x8981;&#x533A;&#x522B;&#x5728;&#x4E8E;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x7684;&#x4F5C;&#x7528;&#x57DF;&#x3002;</span>
    841. 

  841. <span class="hljs-keyword">var</span> btn=<span class="hljs-built_in">document</span>.getElementById(<span class="hljs-string">&quot;MyBtn&quot;</span>);
    842. 

  842. btn.attachEvent(<span class="hljs-string">&quot;onclick&quot;</span>,<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
    843. 

  843.   alert(<span class="hljs-string">&quot;Clicked&quot;</span>);
    844. 

  844. })
    845. 

  845. <span class="hljs-comment">// &#x5728;DOM0&#x7EA7;&#x65B9;&#x6CD5;&#x7684;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x4F1A;&#x5728;&#x5176;&#x6240;&#x5C5E;&#x5143;&#x7D20;&#x7684;&#x4F5C;&#x7528;&#x57DF;&#x5185;&#x8FD0;&#x884C;&#xFF1B;&#x5728;&#x4F7F;&#x7528;attachEvent()&#x65B9;&#x6CD5;&#x7684;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x4F1A;&#x5728; &#x5168;&#x5C40;&#x4F5C;&#x7528;&#x57DF;&#x4E2D;&#x8FD0;&#x884C;&#xFF0C;&#x56E0;&#x6B64;this&#x7B49;&#x4E8E;windows&#x3002;</span>
    846. 

  846. <span class="hljs-keyword">var</span> btn =<span class="hljs-built_in">document</span>.getElementById(<span class="hljs-string">&quot;myBtn&quot;</span>);
    847. 

  847. btn.attachEvent(<span class="hljs-string">&quot;onclick&quot;</span>,<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
    848. 

  848.   alert(<span class="hljs-keyword">this</span>===<span class="hljs-built_in">window</span>);<span class="hljs-comment">//true</span>
    849. 

  849. })
    850. 

  850. <span class="hljs-comment">// &#x6DFB;&#x52A0;&#x591A;&#x4E2A;&#x5143;&#x7D20;&#x7684;&#x65B9;&#x6CD5;</span>
    851. 

  851. <span class="hljs-keyword">var</span> btn = <span class="hljs-built_in">document</span>.getElementById(<span class="hljs-string">&quot;myBtn&quot;</span>);
    852. 

  852. <span class="hljs-keyword">var</span> handler=<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>)</span>{
    853. 

  853.   alert(<span class="hljs-string">&quot;Hello World!&quot;</span>)
    854. 

  854. }
    855. 

  855. <span class="hljs-keyword">var</span> hello=<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>)</span>{
    856. 

  856.   alert(<span class="hljs-string">&quot;hello&quot;</span>);
    857. 

  857. }
    858. 

  858. btn.attachEvent(<span class="hljs-string">&quot;onclick&quot;</span>,handler);
    859. 

  859. btn.attachEvent(<span class="hljs-string">&quot;onclick&quot;</span>,hello);
    860. 

  860. <span class="hljs-comment">// &#x6267;&#x884C;&#x987A;&#x5E8F;:&#x591A;&#x4E8B;&#x4EF6;&#x7ED1;&#x5B9A;&#xFF0C;&#x6267;&#x884C;&#x987A;&#x5E8F;&#x662F;&#x4EE5;&#x5012;&#x5E8F;&#x7684;&#x65B9;&#x5F0F;&#x6267;&#x884C;&#x7684;&#x3002;</span>
    861. 

  861. <span class="hljs-comment">// hello</span>
    862. 

  862. <span class="hljs-comment">// Hello World!</span>
    863. 

  863. </code></pre>
    864. 

  864. <h3 id="detachevent">detachEvent()</h3>
    865. 

  865. <pre><code class="lang-js"><span class="hljs-comment">// &#x79FB;&#x9664;attachEvent&#x6DFB;&#x52A0;&#x7684;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x7A0B;&#x5E8F;</span>
    866. 

  866. <span class="hljs-keyword">var</span> btn = <span class="hljs-built_in">document</span>.getElementById(<span class="hljs-string">&quot;myBtn&quot;</span>);
    867. 

  867. <span class="hljs-keyword">var</span> handler = <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{
    868. 

  868.   alert(<span class="hljs-string">&apos;Clicked&apos;</span>);
    869. 

  869. }
    870. 

  870. btn.attachEvent(<span class="hljs-string">&quot;onclick&quot;</span>,handler);
    871. 

  871. btn.detachEvent(<span class="hljs-string">&quot;onclick&quot;</span>,handler);
    872. 

  872. </code></pre>
    873. 

  873. <h2 id="&#x8DE8;&#x6D4F;&#x89C8;&#x5668;&#x7684;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;">&#x8DE8;&#x6D4F;&#x89C8;&#x5668;&#x7684;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;</h2>
    874. 

  874. <h3 id="addhandlerremovehandler">addHandler()|removeHandler()</h3>
    875. 

  875. <blockquote>
    876. 

  876. <p>&#x8FD9;2&#x4E2A;&#x65B9;&#x6CD5;&#x5C5E;&#x4E8E;&#x4E00;&#x4E2A;&#x540D;&#x53EB;EventUtil&#x7684;&#x5BF9;&#x8C61;<br>
    877. 

  877. &#x53C2;&#x6570;&#xFF1A;&#x8981;&#x64CD;&#x4F5C;&#x7684;&#x5143;&#x7D20; | &#x4E8B;&#x4EF6;&#x540D;&#x79F0; | &#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x63A5;&#x53D7;&#x7A0B;&#x5E8F;
    878. 

  878. ```js
    879. 

  879. // &#x89E3;&#x6790;&#xFF1A;&#x9996;&#x5148;&#x5224;&#x65AD;&#x662F;&#x5426;&#x5B58;&#x5728;DOM2&#x7EA7;&#x65B9;&#x6CD5;&#xFF0C;&#x5982;&#x679C;&#x5B58;&#x5728;==&gt;&#x4F20;&#x5165;&#x4E8B;&#x4EF6;&#x7C7B;&#x578B;&#xFF0C;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x51FD;&#x6570;&#xFF0C;&#x548C;&#x7B2C;&#x4E09;&#x4E2A;&#x53C2;&#x6570;&#x65B9;&#x6CD5;false&#xFF08;&#x8868;&#x793A;&#x5192;&#x6CE1;&#x9636;&#x6BB5;&#xFF09;&#xFF0C;&#x5982;&#x679C;&#x5B58;&#x5728;&#x7684;&#x662F;IE&#x7684;&#x65B9;&#x6CD5;&#xFF0C;&#x5C31;&#x91C7;&#x7528;&#x7B2C;&#x4E8C;&#x79CD;&#x65B9;&#x6CD5;&#xFF0C;&#x4E3A;&#x4E86;&#x517C;&#x5BB9;IE8&#x53CA;&#x8DDF;&#x65E9;&#x7684;&#x7248;&#x672C;&#xFF0C;&#x6B64;&#x65F6;&#x7684;&#x65F6;&#x95F4;&#x7C7B;&#x578B;&#x5FC5;&#x987B;&#x52A0;&#x4E0A;&quot;on&quot;&#x524D;&#x7F00;&#x3002;&#x6700;&#x540E;&#x4E00;&#x79CD;&#x662F;DOm0&#x7EA7;&#x65B9;&#x6CD5;(&#x73B0;&#x4EE3;&#x6D4F;&#x89C8;&#x5668;&#xFF0C;&#x4E00;&#x822C;&#x4E0D;&#x4F1A;&#x6267;&#x884C;&#x8FD9;&#x91CC;&#x7684;&#x4EE3;&#x7801;)&#xFF0C;&#x4F7F;&#x7528;&#x65B9;&#x62EC;&#x53F7;&#x8BED;&#x6CD5;&#x5C06;&#x5C5E;&#x6027;&#x540D;&#x6307;&#x5B9A;&#x4E3A;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x6216;&#x8005;&#x5C06;&#x5C5E;&#x6027;&#x8BBE;&#x7F6E;&#x4E3A;null&#xFF1B;</p>
    880. 

  880. </blockquote>
    881. 

  881. <p>var EventUtil={
    882. 

  882.   addHandler:function(element,type,handler){
    883. 

  883.     if(element.addEventListener){
    884. 

  884.       element.addEventListener(type,handler,false);
    885. 

  885.     }else if(element.attachEvent){
    886. 

  886.       element.attachEvent(&quot;on&quot; + type,handler);
    887. 

  887.     }else {
    888. 

  888.       element[&quot;on&quot; + type] = handler;
    889. 

  889.     }
    890. 

  890.   },
    891. 

  891.   removeHandler:function(element,type,handler){
    892. 

  892.     if(element.removeEventListener){
    893. 

  893.       element.removeEventListener(element,type,false);
    894. 

  894.     }else if(element.detachEvent){
    895. 

  895.       element.detachEvent(&quot;on&quot;+type,handler);
    896. 

  896.     }else{
    897. 

  897.       element[&quot;on&quot;+type]=null;
    898. 

  898.     }
    899. 

  899.   }
    900. 

  900. }
    901. 

  901. // &#x5B9E;&#x4F8B;&#xFF1A;&#x4F7F;&#x7528;EventUtil&#x5BF9;&#x8C61;==&gt;&#x7ED1;&#x5B9A;click&#x4E8B;&#x4EF6;&#x5E76;&#x5220;&#x9664;click&#x4E8B;&#x4EF6;
    902. 

  902. // &#x5206;&#x6790;&#xFF1A;&#x7531;&#x4E8E;addHandler&#x548C;removeHandler&#x6CA1;&#x6709;&#x8003;&#x8651;&#x5230;&#x6240;&#x6709;&#x6D4F;&#x89C8;&#x5668;&#x7684;&#x95EE;&#x9898;&#xFF0C;&#x4F8B;&#x5982;IE&#x6D4F;&#x89C8;&#x5668;&#x4E2D;&#x7684;&#x4F5C;&#x7528;&#x57DF;&#x7684;&#x95EE;&#x9898;&#xFF0C;&#x6240;&#x4EE5;&#x6211;&#x4EEC;&#x5F80;&#x5F80;&#x53EA;&#x7528;&#x4F5C;&#x6DFB;&#x52A0;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x6216;&#x8005;&#x79FB;&#x9664;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x3002;
    903. 

  903. //&#x63D0;&#x793A;&#xFF1A;&#x53EA;DoM0&#x7EA7;&#x7684;&#x6D4F;&#x89C8;&#x5668;&#x5DF2;&#x7ECF;&#x4E0D;&#x591A;&#x4E86;&#xFF0C;&#x6240;&#x4EE5;&#x9700;&#x8981;&#x6CE8;&#x610F;&#x7684;&#x95EE;&#x9898;&#x4E0D;&#x662F;&#x5F88;&#x591A;
    904. 

  904. var btn = document.getElementById(&quot;myBtn&quot;);
    905. 

  905. var handler = function (){
    906. 

  906.   alert(&quot;&#x4F60;&#x597D;&#xFF01;&quot;);
    907. 

  907. }
    908. 

  908. EventUtil.addHandler(btn,&quot;click&quot;,handler);
    909. 

  909. EventUtil.removeHandler(btn,&quot;click&quot;,handler);
    910. 

  910. ```</p>
    911. 

  911. 

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