links for 2006-07-12
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In JS, all variables are properties of the global object, which is 'window'. So 'var a' in a (loose!) sense is just a reference to 'window a'. Thus, we can test _any_ variable by the method described here!
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A solution to when you get, "internet explorer cannot open... operation aborted" when doing JavaScript. You have to wait until onload in order to do document.body.appendChild which is a bug in Internet Explorer's implementation.