js 判断设备的来源

原文链接: https://www.mk2048.com/blog/blog.php?id=h01ckjkibhjb&title=js+%E5%88%A4%E6%96%AD%E8%AE%BE%E5%A4%87%E7%9A%84%E6%9D%A5%E6%BA%90
   function deviceType(){
        var ua = navigator.userAgent;
        var agent = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"];    
        for(var i=0; i<len,len = agent.length; i  ){
            if(ua.indexOf(agent[i])>0){         
                break;
            }
        }
    }
    deviceType();
    window.addEventListener('resize', function(){
        deviceType();
    })


    微信的 有些不太一样
    function isWeixin(){
        var ua = navigator.userAgent.toLowerCase();
        if(ua.match(/MicroMessenger/i)=='micromessenger'){
            return true;
        }else{
            return false;
        }
    }

  


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转载自blog.csdn.net/weixin_39037804/article/details/102740367