妥了,L@_@K <script type="text/javascript">
<!--
function aaa(str,idx)
{
var arr = str.split("!");
if (arr.length-1>=idx)
{
return arr[idx];
}
else
{
return null;
}
}var str="aa!bb!ccc!d!xxx!xxx";
var idx=6;
alert(aaa(str,idx));
//-->
</script>
<!--
function aaa(str,idx)
{
var arr = str.split("!");
if (arr.length-1>=idx)
{
return arr[idx];
}
else
{
return null;
}
}var str="aa!bb!ccc!d!xxx!xxx";
var idx=6;
alert(aaa(str,idx));
//-->
</script>
{
var xxx = str.split("!");
alert(xxx[idx]);
}