经由过程js userAgent来推断
推断接见此链接的操作体系
var Agents = new Array("Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod");var flag = true;/** * 初始化加载顺序 */window.Onload= function(){ console.log(isMobile()); console.log(isWechat()); console.log(getOsVersion());}/** * 推断是不是是挪动端 * @returns {boolean} */function isMobile() { var userAgentInfo = navigator.userAgent; for (var v = 0; v if (userAgentInfo.indexOf(Agents[v]) > 0) { flag = false; break; } } document.write("是不是挪动端-"+ !flag+"//"); return "是不是挪动端-" + !flag;}/** * 推断是不是是微信浏览器 * @returns {boolean} */function isWechat() { var ua = navigator.userAgent.toLowerCase(); if(ua.match(/MicroMessenger/i)=="micromessenger"){ document.write("是微信浏览器//"); return "是微信浏览器"; } else{ document.write("不是微信浏览器//"); return "不是微信浏览器"; }}/** * 推断浏览器地点机械操作体系版本 */function getOsVersion(){ var u = navigator.userAgent,version = ''; if (u.indexOf('Mac OS X') > -1) { //ios var regStr_saf = /OS [\d._]*/gi; var verinfo = u.match(regStr_saf); version ="ios" + (verinfo + "").replace(/[^0-9|_.]/ig,'').replace(/_/ig,'.'); document.write("ios"); } else if (u.indexOf('Android') > -1 || u.indexOf('Linux') > -1) { //android version ="android" + u.substr(u.indexOf('Android') + 8, u.indexOf(";", u.indexOf("Android")) - u.indexOf('Android') - 8); document.write("android"); } else if (u.indexOf('BB10') > -1) { //黑莓bb10体系 version ="黑莓bb10体系" + u.substr(u.indexOf('BB10') + 5, u.indexOf(";", u.indexOf("BB10")) - u.indexOf('BB10') - 5); document.write("黑莓bb10体系"); } else if (u.indexOf('IEMobile')) { //windows phone version ="windows phone"; document.write("windows phone") } return version;}