js判断是否是手机端

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