- <script>
- var ary =["aaa","露露","bbb","aaa","ccc","ccc","aaa","露露","haha"];
- var res = [];
- ary.sort();
- for(var i = 0;i<ary.length;)
- {
-
- var count = 0;
- for(var j=i;j<ary.length;j++)
- {
-
- if(ary[i] == ary[j])
- {
- count++;
- }
-
- }
- res.push([ary[i],count]);
- i+=count;
-
- }
- for(var i = 0 ;i<res.length;i++)
- {
- document.writeln("值:"+res[i][0]+" 重复次数:"+res[i][1]+"<br/>");
- }
-
- </script>
获取JS数组中的相同元素的名称和数量,布布扣,bubuko.com
获取JS数组中的相同元素的名称和数量
原文：http://www.cnblogs.com/hr2014/p/3861372.html
