<script language="javascript">
var strM = "javascript is a good script language";
alert(strM.replace(" ",""));
</script>
var strM = "javascript is a good script language";
alert(strM.replace(" ",""));
</script>
//trim()去掉字串两边的空格
function trim(str)
{
return str.replace(/(^\s*)|(\s*$)/g,"");
//或者return(rTrim(lTrim(str)));
}