上拉回弹test3

www/webapp/framework/iscroll5/iscroll.js

@@ -492,8 +492,10 @@ IScroll.prototype = {
 		newX = this.x + deltaX;
 		newY = this.y + deltaY;
 
-		if (newY < this.maxScrollY){
+		if (newY < this.maxScrollY-300){
+			alert1();
 			this.scrollTo(0, this.maxScrollY, 400);
+			return;
 		}
 
 		// Slow down if outside of the boundaries