jS 如何删除二维数组的重复项

var arr = [["aa","bb","cc"],["aa","bb","cc"],["b","b","v"]];
var hash = {};
var result = [];
for(var i = 0, len = arr.length; i < len; i++){
    if(!hash[arr[i]]){
        result.push(arr[i]);
        hash[arr[i]] = true;
    }
}
alert(result);

转自：http://www.iteye.com/problems/86969

评论

1 楼 天使建站 2018-07-10  

这里的这篇文章写得很好：

http://www.aijquery.cn/Html/jqueryrumen/122.html