prototype

<!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" />
<title>无标题文档</title>

</head>

<body>
<script type="text/javascript" src="arraytool.js"></script>
<script type="text/javascript">
 function getMax()
 {
   var max = this[0];
   for(var x=0;x<this.length;x++){
        if(this[x]>max)
  max = this[x];
   }
   return max;
 }
 
 Array.prototype.getZuiDa=getMax;
 var arr = [2,1,5,4,8,3];
 var x= arr.getZuiDa();
 alert("max ="+x);
 
</script>
</body>
</html>

posted @ 2014-02-22 18:43  birdlow  阅读(75)  评论(0)    收藏  举报