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<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <script type="text/javascript"> window.onload = function () { var oBtn = document.getElementById("btnChange"); var oUl1 = document.getElementById("ul1"); oBtn.onclick = function () { var aLi = oUl1.getElementsByTagName("li"); var arr = []; for (var i = 0; i < aLi.length; i++) { arr[i] = aLi[i]; } arr.sort(function (li1, li2) { var n1 = parseInt(li1.innerText); var n2 = parseInt(li2.innerText); return n1 - n2; }); for (var i = 0; i < aLi.length; i++) { oUl1.appendChild(arr[i]); } } } </script></head><body> <input type="button" name="" value="移动" id="btnChange" /> <ul id="ul1"> <li>5</li> <li>2</li> <li>9</li> <li>4</li> <li>7</li> </ul></body></html> |
原文：https://www.cnblogs.com/libin6505/p/10237676.html