jquery数组去重

<script>
 var arr=["1","2","3","2","4","3"];
 var res=unique(arr);
console.log(res);

// 数组去重
    function unique(arr){
        var arr2 = arr.sort();
        var res = [arr2[0]];

        for(var i=1;i<arr2.length;i++){
            if(arr2[i] !== res[res.length-1]){
                res.push(arr2[i]);
            }
        }
        return res;
    }
</script>