87,910
社区成员
发帖
与我相关
我的任务
分享
<script type="text/javascript">
var arr = ['1-2', '1-3', '1-4', '2-1', '2-2', '2-3'];
for(var i = 0, re = [], len = arr.length; i < len; i++) {
var idx = arr[i].split('-')[0], ret = arr[i].split('-')[1];
if(re[idx] !== undefined) re[idx].push(ret);
else re[idx] = [ret];
}
alert(re[1]);
alert(re[2]);
</script>