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1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Document</title> 6 <script> 7 window.onload = function() { 8 var oUl = document.getElementById(‘ul1‘); 9 var oBtn = document.getElementById(‘btn‘); 10 oUl.onclick = function(ev) { 11 var e = ev || event; 12 /* 13 * 标准：target 14 * ie：srcElement 15 * */ 16 var t = e.target || e.srcElement; 17 alert(t.innerHTML); 18 } 19 20 oBtn.onclick = function() { 21 var oLi = document.createElement(‘li‘); 22 oLi.innerHTML = Math.random(); 23 oUl.appendChild(oLi); 24 } 25 26 } 27 </script> 28 29 </head> 30 <body> 31 <input type="button" value="添加" id="btn"/> 32 <ul id="ul1"> 33 <li>11111</li> 34 <li>22222</li> 35 <li>33333</li> 36 </ul> 37 </body> 38 </html>
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原文地址：http://www.cnblogs.com/xiaozhishang/p/4810124.html
