js中对字符串(String)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">    
    
    
    
    
    
    
    
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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,"");




来源:http://www.cnblogs.com/fumj/p/3406420.html

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