[thelist] Newbie DOM question

Christian Heilmann codepo8 at gmail.com
Wed Aug 16 17:51:37 CDT 2006

> > Christian,
> That did the trick, thanks.
> I'm not familar with the "===" operator.  Can you fill me in?
> My source of reference is Jeremy Keith's book, Dom Scripting.
> Aaron

It compares not only the value, but also the type. If for example you
want to make sure a variable is an integer and not a string you can
use ===.

if (bla == '2') is true when bla is 2 and when bla is "2"
if(bla===2) is true when bla is 2 but false when bla is "2"

It is in my book *SCNR* :-)

Chris Heilmann
Book: http://www.beginningjavascript.com
Blog: http://www.wait-till-i.com
Writing: http://icant.co.uk/

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