js去除空格(转)

SCRIPT LANGUAGE = " JavaScript " >
<!--
// 出处:网上搜集
// Trim() , Ltrim() , RTrim()
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>
< input type = " text " value = " 前后都是空格 " id = " space " >
< input type = " button " value = " 去前后空格 " onclick = " javascript:document.getElementById('space').value=document.getElementById('space').value.Trim();document.getElementById('space').select(); " >
< input type = " button " value = " 去前空格 " onclick = " javascript:document.getElementById('space').value=document.getElementById('space').value.LTrim();document.getElementById('space').select(); " >
< input type = " button " value = " 去后空格 " onclick = " javascript:document.getElementById('space').value=document.getElementById('space').value.RTrim();document.getElementById('space').select(); " >
< input type = " button " value = " 还原 " onclick = " javascript:document.getElementById('space').value=' 前后都是空格 '; " >
< a href = " http://www.yaoasnsi.com " target = " _blank " > 访问yaosansi.com < / a>