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What does 'foo' really mean?
I hope it is not the most stupid question ever.
Whenever I read about javascript, I see people use the word FOO.
Where does this word come from?
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as per wiki
The terms foobar /ˈfʊːbɑː/, fubar, or foo, bar, baz and qux (alternatively quux) are sometimes used as placeholder names (also referred to as metasyntactic variables) in computer programming or computer-related documentation.[1]
http://en.wikipedia.org/wiki/Foobar
http://catb.org/jargon/html/F/foo.html