[收藏]Javascript循环元素并绑定事件
废话不多说,直接上代码!具体原理请参考JS闭包原理。
<!DOCTYPE html PUBLIC ”-//W3C//DTD XHTML 1.0 Transitional//EN” ”http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> <html xmlns=“http://www.w3.org/1999/xhtml” > <head> <title>Untitled Page</title> </head> <body> <ul id=“list”> <li>第1条记录</li> <li>第2条记录</li> <li>第3条记录</li> <li>第4条记录</li> <li>第5条记录</li> <li>第6条记录</li> </ul> <script type=“text/javascript”> var list_obj = document.getElementById(“list”).getElementsByTagName(“li”); //获取list下面的所有li的对象数组 for (var i = 0; i <= list_obj.length; i++) { (function(){ var p = i list_obj[i].onmousemove = function() { this.style.backgroundColor = “#cdcdcd”; } list_obj[i].onmouseout = function() { this.style.backgroundColor = “#FFFFFF”; } list_obj[i].onclick = function() { alert(“这是第” + p + “记录”); } })() } </script> </body> </html>
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