去掉数组中重复的数字

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script>
//var a = [1,2,3,4,5,1,2,3,4,5,6];
//去掉数组中重复的数字,返回:1,2,3,4,5;
var a = [1,2,3,4,5,1,2,3,4,5,6];
a.sort(function (n,m) {
return n - m;
});//a数组的值从小到大排序;
for (var i = 0;i < a.length;i++){
if (a[i] === a[i + 1]){//如果(第i个)等于(第i个加1);
a.splice(i,1);//删除(第i个,删除的个数为1);
i--;//返回去重新再查找一次;
}
}
alert(a);
</script>
</head>
<body>

</body>
</html>

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转载自www.cnblogs.com/yxs1530/p/10242403.html