数组去重 

<!doctype html> 
<html> 
<head>
    <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport">
    <meta charset="utf-8"> 
    <title></title> 
</head>
<body></body>
<script>
    var arr = [1,1,2,2,3,3,4,4,5,5]
    var arr2 = [];

    for(var i = 0 ; i<arr.length;i++){
        if(arr2.indexOf(arr[i])==-1){
            arr2.push(arr[i]);
        }
        console.log(arr2);
    }
</script>
</html>

 

posted @ 2016-10-24 14:08  Panxl  阅读(116)  评论(0)  编辑  收藏  举报