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I am able to detect browser and its version using javascript. Check this link –
Quirksmode.org
Is there a way to check whether this browser is the latest one. That is at the time of submitting this question i am having FireFox 15, Chrome 22 etc. In other words i need to check whether an update is available for browser or not.
This kind of thing is not really reasonable.
You’d have to have a way to always know the latest version of each browser, and since no standardized way exists, you’d have to resort to screen-scraping the browser vendors sites to find it. If the pages you are scraping change, you’d have to rewrite your scraper.
On top of that, you’d have to check that a later version of the browser is available on their OS. If they’re on XP using IE8, they can’t upgrade. If they’re on old ubuntu using old chromium, they can’t upgrade, etc..
The usual way to handle this is to officially support minimum versions of a few browsers, and possibly notify the user if they’re not using a supported browser or version.