我有5个插件/扩展Firefox, Chrome, Internet Explorer(IE), Opera和Safari。
我如何正确识别用户浏览器和重定向(一旦安装按钮已被点击)下载相应的插件?
我有5个插件/扩展Firefox, Chrome, Internet Explorer(IE), Opera和Safari。
我如何正确识别用户浏览器和重定向(一旦安装按钮已被点击)下载相应的插件?
当前回答
import getAgent, { getAccurateAgent } from "@egjs/agent";
const agent = getAgent();
getAccurateAgent().then((accurate_agent)=>{
console.log(agent,'accurate.');
})
console.log(agent);
https://github.com/naver/egjs-agent
其他回答
还有一种不那么“hack”的方法,适用于所有流行的浏览器。 谷歌在他们的闭包库中包含了一个浏览器检查。特别是,看看goog。userAgent和google .userAgent.product。通过这种方式,如果浏览器显示自身的方式发生了变化(假定您总是运行闭包编译器的最新版本),您也可以了解最新情况。
var BrowserDetect = {
init: function () {
this.browser = this.searchString(this.dataBrowser) || "Other";
this.version = this.searchVersion(navigator.userAgent) || this.searchVersion(navigator.appVersion) || "Unknown";
},
searchString: function (data) {
for (var i = 0; i < data.length; i++) {
var dataString = data[i].string;
this.versionSearchString = data[i].subString;
if (dataString.indexOf(data[i].subString) !== -1) {
return data[i].identity;
}
}
},
searchVersion: function (dataString) {
var index = dataString.indexOf(this.versionSearchString);
if (index === -1) {
return;
}
var rv = dataString.indexOf("rv:");
if (this.versionSearchString === "Trident" && rv !== -1) {
return parseFloat(dataString.substring(rv + 3));
} else {
return parseFloat(dataString.substring(index + this.versionSearchString.length + 1));
}
},
dataBrowser: [
{string: navigator.userAgent, subString: "Edge", identity: "MS Edge"},
{string: navigator.userAgent, subString: "MSIE", identity: "Explorer"},
{string: navigator.userAgent, subString: "Trident", identity: "Explorer"},
{string: navigator.userAgent, subString: "Firefox", identity: "Firefox"},
{string: navigator.userAgent, subString: "Opera", identity: "Opera"},
{string: navigator.userAgent, subString: "OPR", identity: "Opera"},
{string: navigator.userAgent, subString: "Chrome", identity: "Chrome"},
{string: navigator.userAgent, subString: "Safari", identity: "Safari"}
]
};
BrowserDetect.init();
var bv= BrowserDetect.browser;
if( bv == "Chrome"){
$("body").addClass("chrome");
}
else if(bv == "MS Edge"){
$("body").addClass("edge");
}
else if(bv == "Explorer"){
$("body").addClass("ie");
}
else if(bv == "Firefox"){
$("body").addClass("Firefox");
}
$(".relative").click(function(){
$(".oc").toggle('slide', { direction: 'left', mode: 'show' }, 500);
$(".oc1").css({
'width' : '100%',
'margin-left' : '0px',
});
});
短变体(更新2020年7月10日移动浏览器检测修复)
var browser = (function() { var test = function(regexp) {return regexp.test(window.navigator.userAgent)} switch (true) { case test(/edg/i): return "Microsoft Edge"; case test(/trident/i): return "Microsoft Internet Explorer"; case test(/firefox|fxios/i): return "Mozilla Firefox"; case test(/opr\//i): return "Opera"; case test(/ucbrowser/i): return "UC Browser"; case test(/samsungbrowser/i): return "Samsung Browser"; case test(/chrome|chromium|crios/i): return "Google Chrome"; case test(/safari/i): return "Apple Safari"; default: return "Other"; } })(); console.log(browser)
打字文件版本:
export enum BROWSER_ENUM {
EDGE ,
INTERNET_EXPLORER ,
FIRE_FOX ,
OPERA ,
UC_BROWSER ,
SAMSUNG_BROWSER ,
CHROME ,
SAFARI ,
UNKNOWN ,
}
const testUserAgent = (regexp: RegExp): boolean => regexp.test(window.navigator.userAgent);
function detectBrowser(): BROWSER_ENUM {
switch (true) {
case testUserAgent(/edg/i): return BROWSER_ENUM.EDGE;
case testUserAgent(/trident/i): return BROWSER_ENUM.INTERNET_EXPLORER;
case testUserAgent(/firefox|fxios/i): return BROWSER_ENUM.FIRE_FOX;
case testUserAgent(/opr\//i): return BROWSER_ENUM.OPERA;
case testUserAgent(/ucbrowser/i): return BROWSER_ENUM.UC_BROWSER;
case testUserAgent(/samsungbrowser/i): return BROWSER_ENUM.SAMSUNG_BROWSER;
case testUserAgent(/chrome|chromium|crios/i): return BROWSER_ENUM.CHROME;
case testUserAgent(/safari/i): return BROWSER_ENUM.SAFARI;
default: return BROWSER_ENUM.UNKNOWN;
}
}
export const BROWSER: BROWSER_ENUM = detectBrowser();
export const IS_FIREFOX = BROWSER === BROWSER_ENUM.FIRE_FOX;
函数式算法,只是为了好玩:
const BROWSER = Object.entries({
"Microsoft Edge": /edg/i,
"Microsoft Internet Explorer": /trident/i,
"Mozilla Firefox": /firefox|fxios/i,
"Opera": /opr\//i,
"UC Browser": /ucbrowser/i,
"Samsung Browser": /samsungbrowser/i,
"Google Chrome": /chrome|chromium|crios/i,
"Apple Safari": /safari/i,
"Unknown": /.+/i,
}).find(([, value]) => value.test(window.navigator.userAgent)).pop();
Chrome & Edge为此引入了一个新的用户代理客户端提示API:
navigator.userAgentData.brands.map(item => item.brand).includes('Google Chrome')
不幸的是,Firefox和Safari还不支持它。
您可以尝试以下方法检查浏览器版本。
<!DOCTYPE html>
<html>
<body>
<p>What is the name(s) of your browser?</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
if((navigator.userAgent.indexOf("Opera") || navigator.userAgent.indexOf('OPR')) != -1 )
{
alert('Opera');
}
else if(navigator.userAgent.indexOf("Edg") != -1 )
{
alert('Edge');
}
else if(navigator.userAgent.indexOf("Chrome") != -1 )
{
alert('Chrome');
}
else if(navigator.userAgent.indexOf("Safari") != -1)
{
alert('Safari');
}
else if(navigator.userAgent.indexOf("Firefox") != -1 )
{
alert('Firefox');
}
else if((navigator.userAgent.indexOf("MSIE") != -1 ) || (!!document.documentMode == true )) //IF IE > 10
{
alert('IE');
}
else
{
alert('unknown');
}
}
</script>
</body>
</html>
如果你只需要知道IE浏览器版本,那么你可以遵循下面的代码。这段代码适用于IE6到IE11版本
<!DOCTYPE html>
<html>
<body>
<p>Click on Try button to check IE Browser version.</p>
<button onclick="getInternetExplorerVersion()">Try it</button>
<p id="demo"></p>
<script>
function getInternetExplorerVersion() {
var ua = window.navigator.userAgent;
var msie = ua.indexOf("MSIE ");
var rv = -1;
if (msie > 0 || !!navigator.userAgent.match(/Trident.*rv\:11\./)) // If Internet Explorer, return version number
{
if (isNaN(parseInt(ua.substring(msie + 5, ua.indexOf(".", msie))))) {
//For IE 11 >
if (navigator.appName == 'Netscape') {
var ua = navigator.userAgent;
var re = new RegExp("Trident/.*rv:([0-9]{1,}[\.0-9]{0,})");
if (re.exec(ua) != null) {
rv = parseFloat(RegExp.$1);
alert(rv);
}
}
else {
alert('otherbrowser');
}
}
else {
//For < IE11
alert(parseInt(ua.substring(msie + 5, ua.indexOf(".", msie))));
}
return false;
}}
</script>
</body>
</html>