javaScript客户端判断

//安卓客户端

const isAndroid = window.navigator.userAgent.indexOf("Android") >= 0;

//IOS客户端

const isIOS = /(iPhone|iPad|iPod|iOS)/i.test(navigator.userAgent);

//判断app

const userAgent = window.navigator.userAgent;

const isApp = userAgent.indexOf("自定义参数") !== -1 || userAgent.search("自定义参数") !== -1 || /(自定义参数)/.test(userAgent);

//微信内置浏览器

const isWeChat = navigator.userAgent.match(/(MicroMessenger)/i) !== null;