str为要去除空格的字符串:
去除所有空格:
str = str.replace(/\s+/g,"");
去除两头空格:
str = str.replace(/^\s+|\s+$/g,"");
去除左空格：
str=str.replace( /^\s*/, '');
去除右空格：
str=str.replace(/(\s*$)/g, "");
SCRIPT LANGUAGE="JavaScript">
<!--
//出处:网上搜集
// Trim() , Ltrim() , RTrim()
String.prototype.Trim = function()
{
returnthis.replace(/(^\s*)|(\s*$)/g, "");
}
String.prototype.LTrim = function()
{
returnthis.replace(/(^\s*)/g, "");
}
String.prototype.RTrim = function()
{
returnthis.replace(/(\s*$)/g, "");
}
//-->
</SCRIPT>
<input type="text" value=" 前后都是空格 " >访问yaosansi.com</a>
去除所有空格:
str = str.replace(/\s+/g,"");
去除两头空格:
str = str.replace(/^\s+|\s+$/g,"");
去除空格(TimeSheet用过)
arg0=arg0.replace(/\s+$|^\s+/g,"");