Unfamiliar Javascript Syntax

Posted by user1051643 on Stack Overflow See other posts from Stack Overflow or by user1051643
Published on 2012-09-24T09:33:57Z Indexed on 2012/09/24 9:37 UTC
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Long and short of the story is, whilst reading John Resig's blog (specifically http://ejohn.org/blog/javascript-trie-performance-analysis/) I came across a line which makes absolutely no sense to me whatsoever. Essentially it boils down to

object = object[key] = something;

(this can be found in the first code block of the article I've linked.)

This has proven rather difficult to google, so if anyone can offer some insight / a good online resource for me to learn for myself, I'd much appreciate it.

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