判断终端

//判断移动端设备

isWechat: () => {
    let ua = window.navigator.userAgent.toLowerCase()
    let isWechat = ua.match(/MicroMessenger/i) == 'micromessenger' //微信端
    return isWechat && location.href.indexOf('192.') == -1;
},
isAndroid: (...objs) => {
    let u = navigator.userAgent;
    let isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1; //android终端
    return isAndroid;
},
isIos: (...objs) => {
    let u = navigator.userAgent;
    let isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端
    return isiOS;
},