<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>用户代理检测</title>
</head>
<body>
<script>
var client = {
engine: {
ie: 0,
gecko: 0,
webkit: 0,
khtml: 0,
opera: 0,
ver: null
},
browser: {
ie: 0,
firefox: 0,
safari: 0,
konq: 0,
opera: 0,
chrome: 0,
ver: null
},
system: {
win: false,
mac: false,
x11: false,
// 移动设备
iphone: false,
ipod: false,
ipad: false,
ios: false,
android: false,
nokiaN: false,
winMobile: false,
// 游戏系统
wii: false,
ps: false
}
};
var ua = navigator.userAgent;
// 1.识别呈现引擎, 识别浏览器
if (window.opera) {
client.engine.ver = client.browser.ver = window.opera.version();
client.engine.opera = client.browser.opera = parseFloat(client.engine.ver);
} else if (/AppleWebKit/(S+)/.test(ua)) {
client.engine.ver = RegExp['$1'];
client.engine.webkit = parseFloat(client.engine.ver);
if (/Chrome/(S+)/.test(ua)) {
client.browser.ver = RegExp['$1'];
client.browser.chrome = parseFloat(client.browser.ver);
} else if (/Version\(S+)/.test(ua)) {
client.browser.ver = RegExp['$1'];
client.browser.safari = parseFloat(client.browser.ver);
} else {
var safariVersion = 1;
if (client.engine.webkit < 100) {
safariVersion = 1;
} else if (client.engine.webkit < 312) {
safariVersion = 1.2;
} else if (client.engine.webkit < 412) {
safariVersion = 1.3;
} else {
safariVersion = 2;
}
client.browser.safari = client.browser.ver = safariVersion;
}
} else if (/KHTML/(S+)/.test(ua)) { // KDE Linux集成的Konqueror,一款基于KHTML开源呈现引擎的浏览器
client.engine.ver = client.browser.ver = RegExp['$1'];
client.engine.khtml = client.browser.kong = parseFloat(client.engine.ver);
} else if (/rv:([^)]+)) Gecko/d{8}/.test(ua)) {
client.engine.ver = RegExp['$1'];
client.engine.gecko = parseFloat(client.engine.ver);
if (/Firefox/(S+)/.test(ua)) {
client.browser.ver = RegExp['$1'];
client.browser.firefox = parseFloat(client.browser.ver);
}
} else if (/MSIE ([^;]+)/.test(ua)) {
client.browser.ver = client.engine.ver = RegExp['$1'];
client.browser.ie = client.engine.ie = parseFloat(client.browser.ver);
}
// 识别平台
var p = navigator.platform;
client.system.win = p.indexOf('Win') === 0;
client.system.mac = p.indexOf('Mac') === 0;
client.system.x11 = p.indexOf('X11') === 0; // X11代表Unix;
// windows平台检测
if (client.system.win) {
if (/Win(?:dows )?([^do]{2})s?(d+.d+)/.test(ua)) {
if (RegExp['$1'] == 'NT') {
switch(RegExp['$2']) {
case '5.0':
client.system.win = '2000';
break;
case '5.1':
client.system.win = 'XP';
break;
case '6.0':
client.system.win = 'Vista';
break;
case '6.1':
client.system.win = 'NT';
break;
}
} else if (RegExp['$1'] == '9x') {
client.system.win = 'ME';
} else {
client.system.win = RegExp['$1'];
}
}
}
// 移动设备
client.system.iphone = ua.indexOf('iPhone') > -1;
client.system.ipod = ua.indexOf('iPod') > -1;
client.system.ipad = ua.indexOf('iPad') > -1;
// 检测IOS版本
if (client.system.mac && ua.indexOf('Mobile') > -1) {
if (/CPU (?:iPhone ) ?OS (d+_d+)/.test(ua)) {
client.system.ios = parseFloat(RegExp.$1.replace('_', '.'));
} else {
client.system.ios = 2; // 不能真正检测出来，所以只能猜测
}
}
// 检测Android版本
if (/Android (d+.d+)/.test(ua)) {
client.system.andriod = parseFloat(RegExp.$1);
}
// 检测诺基亚手机
client.system.nokiaN = ua.indexOf('NokiaN') > -1;
// Windows Mobile
client.system.winMobile = (client.system.win == 'CE');
if (client.system.win == 'CE') { // Pocket PC 和 Smartphone
client.system.winMobile = client.system.win;
} else if (client.system.win == 'Ph') { // window phone
if (/Window Phone OS (d+.d+)/.test(ua)) {
client.system.win = 'Phone';
client.system.winMobile = parseFloat(RegExp['$1']);
}
}
// 游戏系统 任天堂Wii和Playstation3或者内置浏览器
client.system.wii = ua.indexOf('Wii') > -1;
client.system.ps = /playstation/i.test(ua);
console.log(client.engine);
</script>
</body>
</html>
浏览器类型检测精简版
// Opera 8.0+
var isOpera = (!!window.opr && !!opr.addons) || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
// Firefox 1.0+
var isFirefox = typeof InstallTrigger !== 'undefined';
// Safari 3.0+ "[object HTMLElementConstructor]"
var isSafari = /constructor/i.test(window.HTMLElement) || (function (p) {
return p.toString() === "[object SafariRemoteNotification]";
})(!window['safari'] || safari.pushNotification);
// Internet Explorer 6-11
var isIE = /*@cc_on!@*/ false || !!document.documentMode;
// Edge 20+
var isEdge = !isIE && !!window.StyleMedia;
// Chrome 1+
var isChrome = !!window.chrome && !!window.chrome.webstore;
// Blink engine detection
var isBlink = (isChrome || isOpera) && !!window.CSS;
摘自金山云，参考：https://github.com/ksvc/h265webplayer