Comments on: Detecting browsers javascript hacks

By: HP Bryce

HP Bryce — Wed, 08 Sep 2010 08:55:24 +0000

This is sweet! I use ie and Fire Fox depending on what I’m doing or where I’m browsing. This will be great to keep peoples noses out of my browser!

By: 2web

2web — Sun, 15 Aug 2010 20:41:53 +0000

Nice artcile)
Translated & posted.

By: abhishek

abhishek — Thu, 29 Apr 2010 12:53:00 +0000

Hi,
Nice trick for detecting browsers. I am adding this to my blog.

By: Damian

Damian — Mon, 19 Apr 2010 18:16:15 +0000

FireFox keeps being detected as Chrome

function getBrowser()
{
if( _browser == undefined )
{
_browser = (function x(){})[-5]==’x’
?’FF3′:/a/[-1]&&Object.getPrototypeOf
?’FF2′:/a/[-1]==’a’
?’FF’:'\v’==’v’
?’IE’:/a/.__proto__==’//’
?’SAF’:(/a/.toString+”)
?’CHR’:/^function \(/.test([].sort)
?’OP’:'Unknown’;

/* not sure what’s wrong w/ the above oneliner.. */
if( /a/[-1]&&Object.getPrototypeOf ) _browser = ‘FF3′;
if( _browser == ‘IE’ && isIE8() ) _browser = ‘IE8′;
if( _browser == ‘IE’ && isIE7() ) _browser = ‘IE7′;
if( _browser == ‘IE’ && isIE6() ) _browser = ‘IE6′;
}
return USE_LOWERCASE_BROWSER ? _browser.toLowerCase() : _browser;
}

By: hztny

hztny — Fri, 19 Mar 2010 18:06:08 +0000

Yeah probably a typo nobody is perfect

By: Gareth Heyes

Gareth Heyes — Thu, 18 Feb 2010 22:09:53 +0000

@noob

Yeah probably a typo nobody is perfect

By: noob

noob — Thu, 18 Feb 2010 17:53:04 +0000

i was wondering why are you using ((/a/.toString+”)) instead of (/a/.toString+”) ?

By: Gareth Heyes

Gareth Heyes — Tue, 09 Feb 2010 14:13:47 +0000

@superhei

Yep Mozilla decided this was a security issue when I reported it so these techniques can no longer be expected to work in later versions of Firefox

By: superhei

superhei — Tue, 09 Feb 2010 14:10:56 +0000

/a/[-1]==’a’ isn’t work on firefox3.6

By: Jordan

Jordan — Wed, 23 Dec 2009 01:36:13 +0000

When I run the one-liner in Mac Google Chrome, I get “Unknown”.

Any chance someone could update the one-liner to work with Mac Google Chrome?