js去除空格
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()
- {
- 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>
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,"");