解决function函数内的循环变量 时间:2020-05-12 人气:0 <!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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <style type="text/css"> ul{border:1px solid red; width:300px} li{height:40px; margin:5px; background-color:#CCCCCC} </style> <title>无标题文档</title> </head> <body> <ul> <li>1111111111</li> <li>22222222222</li> <li>3333333333333</li> <li>44444444444</li> <li>55555555555</li> </ul> </body> </html> <script type="text/javascript"> window.onload = function(){ var li_o = document.getElementsByTagName("li"); for(var i=0;i<li_o.length;i++) { li_o[i]['i'] = i; li_o[i].onmouseover = function(){ alert("看看现在弹出的是几"+this["i"]); } } } </script> [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行] 加载全部内容