廢話不多說了，直接給大家貼js代碼了，代碼附有注釋，感興趣的朋友一起學習吧。
/**
* Author: laixiangran.
* Created by laixiangran on 2015/12/02.
* 檢測訪問網頁的浏覽器呈現引擎、平台、Windows操作系統、移動設備和游戲系統
* ********************************************************************
* 各版本浏覽器在windows10.0下的用戶代理字符串：
* Google Chrome 45.0.2454.85 —— "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36"
* Opera 31.0.1889.174 —— "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.155 Safari/537.36 OPR/31.0.1889.174"
* Microsoft Edge —— "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.10240"
* Firefox 40.0.3 —— "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0"
* Internet Explorer 11+ —— "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729; rv:11.0) like Gecko"
* Internet Explorer 10- —— "Mozilla/5.0 (compatible; MSIE x.0; Windows NT 10.0; WOW64; Trident/8.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729)"
*/
(function(){
window.iClient = {};
//呈現引擎信息
var engine = {
//呈現引擎
ie: 0,
gecko: 0,
webkit: 0,
khtml: 0,
opera:0,
//具體版本號
ver: null
};
var browser = {
//浏覽器
ie: 0,
edge: 0,
firefox: 0,
safari: 0,
konq: 0,
opera: 0,
chrome: 0,
//具體版本號
ver: null
};
//平台、設備和操作系統
var system = {
win: false,
mac: false,
unix: false,
//移動設備
iphone: false,
ipod: false,
ipad: false,
ios: false,
android: false,
nokiaN: false,
winMobile: false,
//游戲系統
wii: false, //任天堂
ps: false //Playstation3
};
//獲取浏覽器的用戶代理字符串
var ua = window.navigator.userAgent;
//檢測呈現引擎和浏覽器
//檢測Presto內核的Opera浏覽器
if(window.opera){
engine.ver = browser.ver = window.opera.version();
engine.opera = browser.opera = parseFloat(engine.ver);
}
//檢測WebKit 用代理字符串中的"AppleWebKit"進行檢測
else if(/AppleWebKit\/(\S+)/.test(ua)){
engine.ver = RegExp["$1"];
engine.webkit = parseFloat(engine.ver);
//確定Microsoft Edge
if(/Edge\/(\S+)/.test(ua)){
browser.ver = RegExp["$1"];
browser.edge = parseFloat(browser.ver);
}
//確定WebKit內核Opera
else if(/OPR\/(\S+)/.test(ua)){
browser.ver = RegExp["$1"];
browser.opera = parseFloat(browser.ver);
}
//確定Chrome
else if(/Chrome\/(\S+)/.test(ua)){
browser.ver = RegExp["$1"];
browser.chrome = parseFloat(browser.ver);
}
//確定Safari
else if(/Version\/(\S+)/.test(ua)){
browser.ver = RegExp["$1"];
browser.safari = parseFloat(browser.ver);
}else{
//近似的確定版本號
var safariVersion = 1;
if(engine.webkit < 100){
safariVersion = 1;
}else if(engine.webkit <312){
safariVersion = 1.2;
}else if(engine.webkit < 412){
safariVersion = 1.3;
}else{
safariVersion = 2;
}
browser.ver = browser.safari = safariVersion;
}
}
//檢測KHTML 用於Konqueror3.1及更早版本中不包含KHTML的版本，故而就要使用Konqueror的版本來代替
else if(/KHTML\/(\S+)/.test(ua) || /Konqueror\/(\S+)/.test(ua)){
engine.ver = browser.ver = RegExp["$1"];
engine.khtml = browser.konq = parseFloat(engine.ver);s
}
//檢測Gecko 其版本號在字符串"rv:"的後面
else if(/rv:([^\)]+)\) Gecko\/\d{8}/.test(ua)){
engine.ver = RegExp["$1"];
engine.gecko = parseFloat(engine.ver);
//確定Firefox
if(/Firefox\/(\S+)/.test(ua)){
browser.ver = RegExp["$1"];
browser.firefox = parseFloat(browser.ver);
}
}
//檢測IE
else if(/MSIE ([^;]+)/.test(ua) || /rv:([^\)]+)\) like Gecko/.test(ua)){
engine.ver = browser.ver = RegExp["$1"];
engine.ie = browser.ie = parseFloat(engine.ver);
}
//獲取平台或者操作系統信息,可能的值：win32、win64、MacPPC、MacIntel、Xll、Linux i686
var p = window.navigator.platform;
//檢測平台
system.win = p.indexOf("Win") == 0;
system.mac = p.indexOf("Mac") == 0;
system.unix = (p == "Xll'") || (p.indexOf("Linux") == 0);
//檢測Windows操作系統
if(system.win){
if(/Win(?:dows )?([^do]{2})\s?(\d+\.\d+)?/.test(ua)){
if(RegExp["$1"] == "NT"){
switch(RegExp["$2"]){
case "5.0":
system.win = "2000";
break;
case "5.1":
system.win = "XP";
break;
case "6.0":
system.win = "Vista";
break;
case "7":
system.win = "7";
break;
case "8":
system.win = "8";
break;
case "8.1":
system.win = "8.1";
break;
case "10.0":
system.win = "10.0";
break;
default:
system.win = "NT";
break;
}
}
}
}
//移動設備
system.iphone = ua.indexOf("iPhone") > -1;
system.ipod = ua.indexOf("iPod") > -1;
system.ipad = ua.indexOf("iPad") > -1;
system.nokiaN = ua.indexOf("NokiaN") > -1;
//window mobile
if(system.win == "CE"){
system.winMobile = system.win;
}else if(system.win == "Ph"){
if(/Windows Phone OS (\d+.\d+)/.test(ua)){
system.win = "Phone";
system.winMobile = parseFloat(RegExp["$1"]);
}
}
//檢測iOS版本
if(system.mac && ua.indexOf("Mobile") > -1){
if(/CPU (?:iPhone )?OS (\d+.\d+)/.test(ua)){
system.ios = parseFloat(RegExp["$1"].replace("_","."));
}else{
system.ios = 2; //不能真正檢測出來，所以只能猜測
}
}
//檢測安卓版本
if(/Android (\d+.\d+)/.test(ua)){
system.android = parseFloat(RegExp["$1"]);
}
//檢測游戲系統
system.wii = ua.indexOf("wii") > -1;
system.ps = /playstation/i.test(ua);
window.iClient.engine = engine;
window.iClient.browser = browser;
window.iClient.system = system;
})();
以上內容是小編給大家分享的基於javascript實現檢測訪問網頁的浏覽器呈現引擎、平台、Windows操作系統、移動設備和游戲系統的全部敘述，希望大家喜歡。下面文章給大家介紹JavaScript學習筆記之檢測客戶端類型是（引擎、浏覽器、平台、操作系統、移動設備），敬請關注。！