JavaScript performance difference between double equals (==) and triple equals (===)

Question

In JavaScript, is there a performance difference between using a double equals (==) vs using a triple equals (===)?

Example: if (foo

Answer 1

From some flimsy tests, == appears to be marginally quicker than ===.

By marginally, I mean that I can see a few milliseconds difference on interations of many millions of tests. You can't possibly need the performance gain, rather than using whatever is most correct for the task at hand.

EDIT: actually, seems to depend on /what/ you're comparing and the browser implementation. In other words, don't worry about it.