How does browser search tool work on web page?

Posted by GTM on Stack Overflow See other posts from Stack Overflow or by GTM
Published on 2009-06-25T18:53:42Z Indexed on 2010/03/11 5:33 UTC
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I am trying to figure out how the search tool in a web browser is being able to parse through the entire web page(assuming huge content on a page) and highlight the result as we type. Does it pre-cache the page while loading in a map or use regex to get a quick result on the fly?

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