javascript - JS如何判断网站访问的客户端是手机还是PC？

Question

求一个简单稳定的方法

Answer 1

function isPhone() {
    var flag = false;
    var userAgentInfo = navigator.userAgent;
    var Agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"];
    for (var i = 0; i < Agents.length; i++) {
        if (userAgentInfo.indexOf(Agents[i]) > 0) {
            flag = true;
            break;
        }
    }
    return flag;
}

Answer 2

简单实用，去获取屏幕尺寸