1. 判断微信
function is_weixin() { ????var ua = window.navigator.userAgent.toLowerCase(); ????if (ua.match(/MicroMessenger/i) == ‘micromessenger‘) { ????????return true; ????} else { ????????return false; ??}}2. 判断Andorid还是ios
$(function () { ???var u = navigator.userAgent, app = navigator.appVersion; ???var isAndroid = u.indexOf(‘Android‘) > -1 || u.indexOf(‘Linux‘) > -1; //g ???var isIOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端 ???if (isAndroid) { ??????//这个是安卓操作系统 ???} ???if (isIOS) { //这个是ios操作系统 ???}});3. 判断PC
//如果返回的是false说明当前操作系统是手机端，如果返回的是true则说明当前的操作系统是电脑端function IsPC() { ???var userAgentInfo = navigator.userAgent; ???var Agents = ["Android", "iPhone", ???????"SymbianOS", "Windows Phone", ???????"iPad", "iPod"]; ???var flag = true; ???for (var v = 0; v < Agents.length; v++) { ???????if (userAgentInfo.indexOf(Agents[v]) > 0) { ???????????flag = false; ???????????break; ???????} ???} ???return flag;}出处：https://www.cnblogs.com/zhuchenglin/p/7528250.html
js判断设备类型
原文地址：https://www.cnblogs.com/mengff/p/9648266.html