js 数组去重indexOf篇

js 数组去重indexOf篇

var arry = [1,1,1,233,3,5,5,6]
	function unique(arr){
		var empty = [];
		var a = 0;
		while(a < arr.length){
			if (empty.indexOf(arr[a]) == -1) {
				empty.push(arr[a])
			}
			a++;
		}
		return empty;
	}