> What is the best test? Best meaning accurate and timely.
instanceof and typeof.
> var aThing = 42;
>
> function (__boolean isBool, __string type) main (__number patchTime)
> {
> var result = new Object();
> result.isBool = (typeof aThing == "boolean");
> result.type = typeof aThing;
> return result;
> }
type = "number" in this case (so isBool is false). If you change it to "aThing
= false", or "aThing = "hi mom"", you'll get "boolean" and "string"
respectively. (you can also check for arrays and objects this way, I think).
There are thousands of websites devoted to teaching JS so you can make gaudy
animated cursors on webpages and whatnot -- you can glean a ton from such
sources.
--
Christopher Wright
christopher_wri...@apple.com
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