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javascript表格随机排序代码

时间：2021-07-01 10:21:17 帮助过：3人阅读

<!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=gb2312" /> 
<title>表格随机排序练习 by 阿会楠</title> 
<style type="text/css"> 
#main{ 
width:700px; 
} 
#main div{ 
width:200px; 
margin-left:10px; 
margin-top:20px; 
float:left; 
} 
div table{ 
width:100%; 
} 
</style> 
<script type="text/javascript" charset="GB2312"> 
function arrRand(obj){ 
var a = new Array(); 
for(var i = 0;i < obj;i++){ 
a[i] = i + 1; 
} 
a.sort(function(){return 0.5 - Math.random()}); 
return a; 
} 
function randTable(){ 
var c = arrRand(len); 
for(var k = 0;k < len;k ++){ 
divs[c[k] - 1].innerHTML = b[k]; 
} 
}

var b = new Array(); 
var divs = new Object; 
var len;; 
window.onload = function(){ 
divs = document.getElementById("main").getElementsByTagName("div"); 
len = divs.length; 
for(var j = 0;j < len;j++){ 
b[j] = divs[j].innerHTML; 
} 
randTable(); 
} 
</script> 
</head> 
<body> 
 
 
<table border="1"> 
<tr><td>A</td></tr> 
</table> 
 
 
<table border="1"> 
<tr><td>B</td></tr> 
</table> 
 
 
<table border="1"> 
<tr><td>C</td></tr> 
</table> 
 
 
<table border="1"> 
<tr><td>D</td></tr> 
</table> 
 
 
<table border="1"> 
<tr><td>E</td></tr> 
</table> 
 
 
<table border="1"> 
<tr><td>F</td></tr> 
</table> 
 
 
<input type="button" onclick="randTable()" value="随机排序" > 
脚本之家 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

javascript表格随机排序代码

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