javascript

old browser check with javascript

Posted in javascript
8051
2:56 am, July 26, 2021
 

old browser check with javascript

modified from this script

i console logged all the items available so you can do what you need with them

these are the avilable variables

Javascript

console.log(browser.agent);
console.log(browser.majorVersion);
console.log(browser.version);
console.log(browser.os);
console.log(browser.osversion);

will produce something like this in your console

Javascript

browser = {};
if (/edge\/[0-9]{2}/i.test(navigator.userAgent)) {
    browser.agent = "edge";
    browser.majorVersion = parseInt(/edge\/([0-9]{2})/i.exec(navigator.userAgent)[1]);
    browser.version = /edge\/([0-9.]+)/i.exec(navigator.userAgent)[1];
} else if (/chrome\/[0-9]{2}/i.test(navigator.userAgent)) {
    browser.agent = "chrome";
    browser.majorVersion = parseInt(/chrome\/([0-9]{2})/i.exec(navigator.userAgent)[1]);
    browser.version = /chrome\/([0-9.]+)/i.exec(navigator.userAgent)[1];
} else if (/firefox\/[0-9]{2}/i.test(navigator.userAgent)) {
    browser.agent = "firefox";
    browser.majorVersion = parseInt(/firefox\/([0-9]{2})/i.exec(navigator.userAgent)[1]);
    browser.version = /firefox\/([0-9.]+)/i.exec(navigator.userAgent)[1];
} else if (/msie\ [0-9]{1}/i.test(navigator.userAgent)) {
    browser.agent = "msie";
    browser.majorVersion = parseInt(/MSIE\ ([0-9]{1})/i.exec(navigator.userAgent)[1]);
    browser.version = /MSIE\ ([0-9.]+)/i.exec(navigator.userAgent)[1];
} else if (/opr\/[0-9]{2}/i.test(navigator.userAgent)) {
    browser.agent = "opera";
    browser.majorVersion = parseInt(/opr\/([0-9]{2})/i.exec(navigator.userAgent)[1]);
    browser.version = /opera\/([0-9.]+)/i.exec(navigator.userAgent)[1];
} else if (/Trident\/[7]{1}/i.test(navigator.userAgent)) {
    browser.agent = "msie";
    browser.majorVersion = 11;
    browser.version = "11";
} else if (/Safari\/[0-9.]+/i.test(navigator.userAgent)) {
    browser.agent = "safari";
    browser.majorVersion = parseInt(/Version\/([0-9]{2})/i.exec(navigator.userAgent)[1]);
    browser.version = /Version\/([0-9.]+)/i.exec(navigator.userAgent)[1];
} else {
    browser.agent = false;
    browser.majorVersion = false;
    browser.version  = false;
}

if (/Windows\ NT/.test(navigator.userAgent)) {
    browser.os = "windows";
    var winver = parseFloat(/Windows\ NT\ ([0-9]{1,2}\.[0-9]{1})/i.exec(navigator.userAgent)[1]);
    switch(winver) {
    case 6.0:
        browser.osversion = "Vista";
        break;
    case 6.1:
        browser.osversion = "7";
        break;
    case 6.2:
        browser.osversion = "8";
        break;
    case 6.3:
        browser.osversion = "8.1";
        break;
    case 10.0:
        browser.osversion = "10";
        break;
    default:
        browser.osversion = false;
    }
} else if (/OS\ X\ /.test(navigator.userAgent)) {
    browser.os = "os x"; //
    browser.osversion = /OS\ X\ [0-9]{2}_([0-9]{1,2})_[0-9]{1,2}/i.exec(navigator.userAgent)[1];
} else if (/(Linux)/.test(navigator.userAgent)) {
    browser.os = "linux";
    browser.osversion = false;
}

console.log(browser.agent);
console.log(browser.majorVersion);
console.log(browser.version);
console.log(browser.os);
console.log(browser.osversion);

if(browser.agent == "msie") {
	document.getElementById("oldbrowser").style.display = "block";
}
Posted in javascript
8051
2:56 am, July 26, 2021

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