Menu
how can i detect browser type and its version in Rails. I want to put check on the version of specific browser and if its not required browser version than ask user to upgrade it.. i use below specified command but as its not following a standard pattern am unable to use it.
request.env['HTTP_USER_AGENT'] Chrome out put is below Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.16 (KHTML, like Gecko) Chrome/10.0.648.205 Safari/534.16 Safari out put is below Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.21.1 (KHTML, like Gecko) Version/5.0.5 Safari/533.21.1 FireFox out put is below Mozilla/5.0 (Windows NT 5.1; rv:2.0) Gecko/20100101 Firefox/4.0 Opera out put is below Opera/9.80 (Windows NT 5.1; U; en) Presto/2.8.131 Version/11.10 Internet Explorer out put is below Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727) 
976
In the browser's toolbar, click on “Help"or the Settings icon. Click the menu option that begins “About” and you'll see what type and version of browser you are using.
In the browser window, hold the Alt key and press H to bring up the Help menu. Click About Google Chrome and locate the version at the top of the window that appears.
To detect the browser version on the client machine, your script can analyze the value of navigator. appVersion or navigator. userAgent.
let chromeAgent = userAgentString. indexOf( "Chrome" ) > -1; Detecting the Internet Explorer browser: The user-agent of the Internet Explorer browser is “MSIE” or “rv:”.
Try the browser gem. Very simple and can solve your purpose.
You can find the gem Here very easy to use.
132
NOTE: Be careful some search engines see this as a type of intrusion See ( Google HTTP USER AGENT )
if request.env['HTTP_USER_AGENT'] =~ /[^\(]*[^\)]Chrome\// or in the case of firefox
if request.env['HTTP_USER_AGENT'] =~ /[^\(]*[^\)]*[^\t]Firefox\// and check this here you will get all you need browser Gem
browsers_detection_gem
and here is a method which can detect all browsers so chill man
def browser_detection result = request.env['HTTP_USER_AGENT'] browser_compatible = '' if result =~ /Safari/ unless result =~ /Chrome/ version = result.split('Version/')[1].split(' ').first.split('.').first browser_compatible = 'Application is not functional for Safari version\'s '+version if version.to_i < 5 else version = result.split('Chrome/')[1].split(' ').first.split('.').first browser_compatible = 'Application is not functional for Chrome version\'s '+version if version.to_i < 10 end elsif result =~ /Firefox/ version = result.split('Firefox/')[1].split('.').first browser_compatible = 'Application is not functional for Firefox version\'s '+version if version.to_i < 5 elsif result =~ /Opera/ version = result.split('Version/')[1].split('.').first browser_compatible = 'Application is not functional for Opera version\'s '+version if version.to_i < 11 elsif result =~ /MSIE/ version = result.split('MSIE')[1].split(' ').first browser_compatible = 'Application is not functional for Microsoft Internet Explorer version\'s '+version if version.to_i < 9 end browser_compatible end If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With
