What is the best way to get an element's tag name in JS?

Posted by webdestroya on Stack Overflow See other posts from Stack Overflow or by webdestroya
Published on 2010-05-01T21:11:59Z Indexed on 2010/05/01 21:17 UTC
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I want to get the name of a certain tag (to tell whether it is a div/input/span/p/so on)

I found that there are 3 different attributes that give me the tag name:

tagName, nodeName, and localName

My question is: Which one is the most supported in all browsers? And/or is there a method to get the tag name in Prototype (I looked but couldn't find one)?

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