Using which technique does facebook and pininterest show images?

Posted by manish on Programmers See other posts from Programmers or by manish
Published on 2012-11-30T12:43:40Z Indexed on 2012/11/30 17:19 UTC
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web-development

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JavaScript

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jQuery

If anybody has ever noticed that when you open a image in Facebook something like this happens:-

suppose you are at your homepage on Facebook:- the URL is https://www.facebook.com/

now if you open a image it gets opened in new modal like window and URL changes to:- https://www.facebook.com/photo.php?fbid=10151125374887397&set=a.338008237396.161268.36922302396&type=1&theater

As far as I know in any common case a modal overlay would have kept the url in the address bar the same , My question is how does facebook / pintrest achieve this behaviour of not re-loading the whole page but still achieving the change in the address bar.

Is there any jquery or javascript plugin for this?

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