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Comment by 1p1e1 | Hacker News Reader

'===' performs better than '==' because no type conversion is need. Are there any reasons you would use '==' instead of '==='?

I can think of two.

  * (programmer) laziness

  * if you know you want type coercion

And I just love me some good old fashioned laziness. I mean seriously THREE equals!?

When you know ahead of time that the types don't need to be coerced:

There's even a negligible performance improvement, at least for me (iPad WebKit Safari).

For me the "3-equals-true-non-coerced" is the fastest in Chrome 16.