What is iframe used for? [closed]

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What is the purpose of the iframe tag in HTML? What i开发者_如何学JAVAs it used for?

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An <iframe> is used for containing (X)HTML documents in other (X)HTML documents. This enables updates of parts of a website while the user browses, without making them reload the whole thing. (This is now largely replaced by AJAX).

Also, see:

http://w3schools.com/TAGS/tag_iframe.asp

http://en.wikipedia.org/wiki/HTML_element#Frames

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Be careful. <iframe> tags are becoming less common.

I wouldn't use iframes except in really specific cases, because it is nonstandard.

here is the link

However, Google images still uses <iframe> tags.