Googling for browser reliable detection often results in checking the User agent string. This method is not reliable, because it's trivial to spoof this value. I've written a method to detect browsers by duck-typing. Only use the browser detection method if it's truly necessary, such as showing browser-specific instructions to install an extension.

Mar 8, 2010 · I love this! Thanks man! Still, I just made a modification on the first and second last line. I replaced: navigator.sayswho= with navigator.browserInfo= on the 1st line for better readability (i.e. so I won't wonder months later what it does in the code) and replaced return M.join(' '); with return { 'browser': M[0], 'version': M[1] }; …

May 7, 2011 · I've been searching around for code that would let me detect if the user visiting the website has Firefox 3 or 4. All I have found is code to detect the type of browser but not the version. How ca...

Jun 27, 2012 · Browser CodeName: Mozilla Browser Name: Netscape Browser Version: 5.0 (Windows) Cookies Enabled: true Platform: Win32 User-agent header: Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20100101 Firefox/12.0

If you really need to know what browser they're using, you mostly have to look at the userAgent string (although you can sometimes infer the browser by looking for a couple of obscure features). Just be aware that some browsers let the user change that and lie to you. :-) But detecting the browser is out of fashion, for good reasons. Instead ...

Browser detection in Javascript? because of 19 answers, 12 of them use navigator.userAgent specifically (including jQuery.browser which used userAgent, and is now gone anyway), 4 use navigator.appName (which gives "Netscape" in Chrome...), 1 side-steps the question by recommending feature detection, which is different from browser detection (I ...

Feb 26, 2009 · Now my questions is this which way is the best way to detect the users browser object detection or using the Navigator Object? Object/method detection. Avoid the navigator object whenever possible; it often lies for compatibility purposes, and scanning strings to try to work out browser names can easily trip up on unexpected tokens in the user ...

Jul 8, 2012 · According to MDN's article on Browser detection using the user agent, it is encouraged to avoid this approach if possible and suggest other avenues such as feature detection. However, if one must use the user agent as a …

Dec 30, 2010 · There are some optional window properties that that can be used when doing browser detection. One of them is the optional chrome property (Chromium) and the other the optional opr property (Opera). If a browser has the optional chrome property on the Window object, it means the browser is a Chromium browser. Previously this meant Chrome in most ...

May 28, 2011 · This database is needed to ensure that every browser is correctly parsed as every browser vendor implements it's own user agent schema. This is why regular user agent parsers have major issues because they will most likely parse out the wrong browser name or confuse the render engine version with the actual version of the browser.