js去除字符串空格

str.replace(/s+/g,"");
str.replace(/s|xA0/g,"");
empName=empName.replace(/^s+/g,"");       //去左
empName=empName.replace(/s+$/g,"")        //去右
empName=empName.replace(/(^s*)|(s*$)/g, ""); //去左右
//去除空格 
String.prototype.Trim = function() { 
    return this.replace(/s+/g, ""); 
} 
     
//去除换行 
function ClearBr(key) { 
    key = key.replace(/</?.+?>/g,""); 
    key = key.replace(/[
]/g, ""); 
    return key; 
} 
     
//去除左侧空格 
function LTrim(str) { 
    return str.replace(/^s*/g,""); 
} 
     
//去右空格 
function RTrim(str) { 
    return str.replace(/s*$/g,""); 
} 
     
//去掉字符串两端的空格 
function trim(str) { 
    return str.replace(/(^s*)|(s*$)/g, ""); 
} 
     
//去除字符串中间空格 
function CTim(str) { 
    return str.replace(/s/g,''); 
}  
原文地址:https://www.cnblogs.com/linguoguo/p/4277890.html