Posted on 2007-11-22 10:23  focus  阅读(324)  评论(0)    收藏  举报

<script language="javascript">
String.prototype.trim=function(){
        return this.replace(/(^\s*)|(\s*$)/g, "");
}
String.prototype.ltrim=function(){
        return this.replace(/(^\s*)/g,"");
}
String.prototype.rtrim=function(){
        return this.replace(/(\s*$)/g,"");
}
</script>