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  • js去除空格

    js中对String去空格
     
    
    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()    
    {    
    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     " 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     ';">    
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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,"");
    
    
    
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  • 原文地址:https://www.cnblogs.com/hyx626/p/10345082.html
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