js浏览器判断函数

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function userBrowser(){ 
    var browserName=navigator.userAgent.toLowerCase(); 
    if(/msie/i.test(browserName) && !/opera/.test(browserName)){ 
        alert("IE"); 
        return ; 
    }else if(/firefox/i.test(browserName)){ 
        alert("Firefox"); 
        return ; 
    }else if(/chrome/i.test(browserName) && /webkit/i.test(browserName) && /mozilla/i.test(browserName)){ 
        alert("Chrome"); 
        return ; 
    }else if(/opera/i.test(browserName)){ 
        alert("Opera"); 
        return ; 
    }else if(/webkit/i.test(browserName) &&!(/chrome/i.test(browserName) && /webkit/i.test(browserName) && /mozilla/i.test(browserName))){ 
        alert("Safari"); 
        return ; 
    }else{ 
        alert("unKnow"); 
    

  

posted @   馳騁衿琾  阅读(127)  评论(0编辑  收藏  举报
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