| 内容 | JQuery中each的使用举例:
 <html>
 <head>
 <title>Untitled</title>
 <script src="jquery.1.7.1.min.js"></script>
 </head>
 <body>
 <button>Change colors</button>
 <span></span>
 <div></div>
 <div></div>
 <div></div>
 <div></div>
 <div id="stop">Stop here</div>
 <div></div>
 <div></div>
 <div></div>
 </body>
 <script>
 $("button").click(function () {
 $("div").each(function (index, domEle) {
 // domEle == this
 $(domEle).css("backgroundColor", "yellow");
 if ($(this).is("#stop")) {
 $("span").text("Stopped at div index #" + index);
 return false;
 }
 });
 });
 </script>
 </html>
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