你是不是经常不结贴啊..给多一次机会你..<script>
var arr = ['div1_0_0','div2_5_8','div3_7_9','div1_4_6','div2_4_7'];
var save_arr = new Array();
for(var i=0;i<arr.length;i++)
{
var _head = arr[i].split('_');
save_arr[_head[0]]=arr[i];
}
for(a in save_arr)
{
alert(save_arr[a]);
}
</script>
var arr = ['div1_0_0','div2_5_8','div3_7_9','div1_4_6','div2_4_7'];
var save_arr = new Array();
for(var i=0;i<arr.length;i++)
{
var _head = arr[i].split('_');
save_arr[_head[0]]=arr[i];
}
for(a in save_arr)
{
alert(save_arr[a]);
}
</script>
<script> function array_removeAt(index)
{
var i;
if(index < this.length)
{
for(i = index; i < this.length - 1; i++)
{
this[i] = this[i + 1];
}
this.length = this.length - 1;
}
}
Array.prototype.removeAt = array_removeAt;
var orginalStr = "div1_0_0|div2_5_8|div3_7_9|div1_4_6|div2_4_7";
var arrStrs = orginalStr.split("|")
for( var i=0;i<arrStrs.length;i++ )
{
var firstDiv = arrStrs[i].substr( 0,4 )
for( var n=0;n<i; n++)
{
if( arrStrs[n].substr(0,4)==firstDiv )
{
arrStrs.removeAt( n );
n--;
i--;
}
}
}
alert( arrStrs.join("|"))
</script>
var s="div1_0_0|div2_5_8|div3_7_9|div1_4_6|div2_4_7"
var aSource=s.split("|");
var mapResult={};
var i,sId;function getKey(sData){
return sData.substring(0,sData.indexOf("_"));
}for(i in aSource){
sId=getKey(aSource[i]);
mapResult[sId]=aSource[i];
}var aOut=[];
for(i in mapResult){
aOut.push(mapResult[i]);
}
alert(aOut.join(","));
</script>