Js 过滤空格

<SCRIPT LANGUAGE="JavaScript">
function ignoreSpaces(string) {
var temp = "";
string = '' + string;
splitstring = string.split("");
for(i = 0; i < splitstring.length; i++)
temp += splitstring[i];
return temp;
}
</script>

<font size="2">随意输几个带空格的字符串试试：</font>

<input type=text size=25 onBlur="this.value=ignoreSpaces(this.value);">
<input type=button value="过滤">