JavaScript检测浏览器

Detect Browser

<!DOCTYPE html>

<html>

<head>

    <meta charset="UTF-8">

    <title>detect browser</title>

</head>

<body>

    <div id="welcome">

        <p>欢迎使用 <b></b> detect browser</p>

    </div>

    //使用whatismybrowser网站检测

    <iframe src ="https://www.whatismybrowser.com/feature/iframe?size=small&bgcolor=BFBFB0&color=3E4759&bordercolor=8C7268&capabilities=true&screen=true&ip_address=true&viewmore=true" width ="340" height ="330" style ="border：none;"></iframe>

    <script type="text/javascript">

        window.onload=function(){

            console.log("start:");

            //检测无头浏览器

            if (/HeadlessChrome/.test(window.navigator.userAgent)) {

                console.log("Chrome headless detected");

            }

            if(navigator.plugins.length == 0) {

                console.log("It may be Chrome headless");

            }

            if(navigator.languages == "") {

                console.log("Chrome headless detected");

            }

            var canvas = document.createElement('canvas');

            var gl = canvas.getContext('webgl');

            var debugInfo = gl.getExtension('WEBGL_debug_renderer_info');

            var vendor = gl.getParameter(debugInfo.UNMASKED_VENDOR_WEBGL);

            var renderer = gl.getParameter(debugInfo.UNMASKED_RENDERER_WEBGL);

            if(vendor == "Brian Paul" && renderer == "Mesa OffScreen") {

                console.log("Chrome headless detected");

            }

            // if(!Modernizr["hairline"]) {

            //     console.log("It may be Chrome headless");

            // }

            var body = document.getElementsByTagName("body")[0];

            var image = document.createElement("img");

            image.src = "https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=144388917,3393541021&fm=27&gp=0.jpg";

            image.setAttribute("id", "fakeimage");

            body.appendChild(image);

            image.onerror = function(){

                if(image.width == 0 && image.height == 0) {

                    console.log("Chrome headless detected");

                }

            }

            // 判断浏览器

            // 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'] || (typeof safari !== 'undefined' && safari.pushNotification));

            // Internet Explorer 6-11

            var isIE = /*@cc_on!@*/false || !!document.documentMode;

            // Edge 20+

            var isEdge = !isIE && !!window.StyleMedia;

            // Chrome 1 - 71

            var isChrome = !!window.chrome && (!!window.chrome.webstore || !!window.chrome.runtime);

            // Blink engine detection

            var isBlink = (isChrome || isOpera) && !!window.CSS;

            var output = 'Detecting browsers by ducktyping:<hr>';

            output += 'isFirefox: ' + isFirefox + '<br>';

            output += 'isChrome: ' + isChrome + '<br>';

            output += 'isSafari: ' + isSafari + '<br>';

            output += 'isOpera: ' + isOpera + '<br>';

            output += 'isIE: ' + isIE + '<br>';

            output += 'isEdge: ' + isEdge + '<br>';

            output += 'isBlink: ' + isBlink + '<br>';

            console.log(output);

            //浏览器、版本、操作系统检测

            var BrowserDetect = {

                init: function() {

        		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";

        		this.version = this.searchVersion(navigator.userAgent) || this.searchVersion(navigator.appVersion) || "an unknown version";

        		this.OS = this.searchString(this.dataOS) || "an unknown OS";

                console.log(this.browser);

                console.log(this.version);

                console.log(this.OS);

        	},

        	searchString: function(data) {

        		for (var i = 0; i < data.length; i++) {

        			var dataString = data[i].string;

        			var dataProp = data[i].prop;

        			this.versionSearchString = data[i].versionSearch || data[i].identity;

        			if (dataString) {

        				if (dataString.indexOf(data[i].subString) != -1) return data[i].identity;

        			} else if (dataProp) return data[i].identity;

        		}

        	},

        	searchVersion: function(dataString) {

        		var index = dataString.indexOf(this.versionSearchString);

        		if (index == -1) return;

        		return parseFloat(dataString.substring(index + this.versionSearchString.length + 1));

        	},

        	dataBrowser: [{

        		string: navigator.userAgent,

        		subString: "Chrome",

        		identity: "Chrome"

        	}, {

        		string: navigator.userAgent,

        		subString: "OmniWeb",

        		versionSearch: "OmniWeb/",

        		identity: "OmniWeb"

        	}, {

        		string: navigator.vendor,

        		subString: "Apple",

        		identity: "Safari",

        		versionSearch: "Version"

        	}, {

        		prop: window.opera,

        		identity: "Opera",

        		versionSearch: "Version"

        	}, {

        		string: navigator.vendor,

        		subString: "iCab",

        		identity: "iCab"

        	}, {

        		string: navigator.vendor,

        		subString: "KDE",

        		identity: "Konqueror"

        	}, {

        		string: navigator.userAgent,

        		subString: "Firefox",

        		identity: "Firefox"

        	}, {

        		string: navigator.vendor,

        		subString: "Camino",

        		identity: "Camino"

        	}, { // for newer Netscapes (6+)

        		string: navigator.userAgent,

        		subString: "Netscape",

        		identity: "Netscape"

        	}, {

        		string: navigator.userAgent,

        		subString: "MSIE",

        		identity: "Explorer",

        		versionSearch: "MSIE"

        	}, {

        		string: navigator.userAgent,

        		subString: "Gecko",

        		identity: "Mozilla",

        		versionSearch: "rv"

        	}, { // for older Netscapes (4-)

        		string: navigator.userAgent,

        		subString: "Mozilla",

        		identity: "Netscape",

        		versionSearch: "Mozilla"

        	}],

        	dataOS: [{

        		string: navigator.platform,

        		subString: "Win",

        		identity: "Windows"

        	}, {

        		string: navigator.platform,

        		subString: "Mac",

        		identity: "Mac"

        	}, {

        		string: navigator.userAgent,

        		subString: "iPhone",

        		identity: "iPhone/iPod"

        	}, {

        		string: navigator.platform,

        		subString: "Linux",

        		identity: "Linux"

        	}]

        };

        BrowserDetect.init();

        // mobile

        var isMobile = {

            Android: function() {

                return navigator.userAgent.match(/Android/i);

            },

            BlackBerry: function() {

                return navigator.userAgent.match(/BlackBerry/i);

            },

            iOS: function() {

                return navigator.userAgent.match(/iPhone|iPad|iPod/i);

            },

            Opera: function() {

                return navigator.userAgent.match(/Opera Mini/i);

            },

            Windows: function() {

                return navigator.userAgent.match(/IEMobile/i);

            },

            any: function() {

                return (isMobile.Android() || isMobile.BlackBerry() || isMobile.iOS() || isMobile.Opera() || isMobile.Windows());

            }

        };

        console.log("end!");

    }

    //判断Chromium

    function isChromium()

    {

        for (var i = 0, u="Chromium", l =u.length; i < navigator.plugins.length; i++)

        {

            if (navigator.plugins[i].name != null && navigator.plugins[i].name.substr(0, l) === u)

                return true;

        }

        return false;

    }

    </script>

</body>

</html>

参考链接

JavaScript检测浏览器的更多相关文章

Javascript检测浏览器对CSS属性的支持 /* supports */
//检测浏览器对CSS属性的支持 supports = (function() { var div = document.createElement('div'), vendors = 'Khtml ...
用 JavaScript 检测浏览器在线/离线状态（JavaScript API — navigator.onLine）
如今HTML5 移动应用或 Web app 中越来越普遍的使用了离线浏览技术,所以用 JavaScript 检测浏览器在线/离线状态非常常见. 无论浏览器是否在线,navigator.onLine 属 ...
使用JavaScript检测浏览器
假设你真的需要检测浏览器的类型,使用JavaScript非常easy达到. View Demo Download Source from GitHub JavaScript有一个navigator的标 ...
javascript检测浏览器的缩放状态实现代码是指浏览器网页内容的百分比缩放（按Ctrl和+号键或者-号键的缩放）
这里所说的缩放不是指浏览器大小的缩放,而是指浏览器网页内容的百分比缩放(按Ctrl和+号键或者-号键的缩放).检测这种缩放有很种方法,QQ空间都通过flash来检测浏览器是否处于缩放.这里提供java ...
[译]JavaScript检测浏览器前缀
原文地址: Detect Vendor Prefix with JavaScript 不管浏览器私有前缀的现状如何,我们还是要与之为伴,并且有时候还需要利用它来做一些事情.这些前缀可以用于CSS(比如 ...
javascript 检测浏览器类型和版本的代码
方法1:对象/特征检测法该方法是一种判断浏览器能力(而非浏览器的确切型号)的通用方法.大部分JS专家认为这个方法最合适,因为他们认为按照该方法所编写的脚本是经得起未来考验的. //获取IE浏览器的版 ...
检测浏览器版本类型的JavaScript代码，终极版
下面的JavaScript代码,不仅可以判断PC端浏览器类型,还可以判断安卓.iOS.其他智能手机.平板电脑或游戏系统. 说废话貌似不是我的风格哈,直接上代码吧: var client = funct ...
javascript检测当前浏览器是否为微信浏览器
<!DOCTYPE HTML> <html lang="en-US"> <head> <meta charset="UTF-8& ...
[转]JavaScript快速检测浏览器对CSS3特性的支持
转自:https://yuguo.us/weblog/detect-css-support-in-browsers-with-javascript/ ------------------------- ...

随机推荐

linux 之oracle静默安装
一.安装前准备工作1.修改主机名#vi /etc/hosts //并添加内网IP地址对应的hostname,如下127.0.0.1 localhost::1 ...
Qt代码配色VS2015风格
通过本文的方法可以将VS2015的深色主题界面应用到Qt上,对于喜欢VS代码风格配色的人应该会比较有用效果图: 1. 设置IDE主题为了配合vs深色的代码编辑背景,将Qt的主题也换成深色版本 2 ...
mongo 导入import 导出 exprot操作
.mongo export导出 /mongoexport /h [ip地址] /port [端口] /u [用户名] /p [密码] /d [数据库] -c [表名] /q [查询语句] /o [保 ...
数据库info.sql
/* Navicat MySQL Data Transfer Source Server : loaderman Source Server Version : 50540 Source Host : ...
osg model
osg::ref_ptr<osg::Node> MyOSGLoadEarth::CreateNode() { osg::ref_ptr<osg::Group> _root = ...
linux下将文件上传到svn服务器
linux下将文件上传到svn服务器摘自:https://blog.csdn.net/sky_yangge/article/details/41544773 2014年11月27日 16:47:57 ...
python中将数字转化为人民币的形式
def fn(args): """ 将金额转化为人民币模式,带逗号分隔,保留小数点两位,四舍五入 :param args: :return: ""&q ...
webstrom报错缺少JSCS 怎么解决
Saltstack把网卡从ens160修改成eth0
手动修改参考:https://www.cnblogs.com/minseo/p/8521873.html salt目录结构为 files/grub GRUB_TIMEOUT=5 GRUB_DISTRI ...
python：序列化与反序列化（json、pickle、shelve）
本节内容前言 json模块 pickle模块 shelve模块总结一.前言 1. 现实需求每种编程语言都有各自的数据类型,其中面向对象的编程语言还允许开发者自定义数据类型(如:自定义类),Py ...

JavaScript检测浏览器

Detect Browser

参考链接

JavaScript检测浏览器的更多相关文章

随机推荐

热门专题