js的sort(0实现数组的排序

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Array对象 </title>
<script type="text/javascript">
   function sortNum(a,b) {
return b-a;   //升序排列，降序则 a-b
   }
var myarr = new Array("80","16","50","6","100","1");
document.write(myarr.sort(sortNum));
</script>
</head>
<body>
</body>
</html>
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原文地址：https://www.cnblogs.com/calamus/p/7307699.html