Rigorous equality checks (===) really should be Utilized in favor of ==. The one exception is when checking for undefined and null By means of null.
Then again, the identification operator === will not do sort coercion, and therefore will not convert the values when comparing.
Contrary to quite a few item-oriented languages, there is absolutely no difference amongst a operate definition and a way definition.
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Let's Look at the categories of the operands. Consider it out for yourself by wrapping them in typeof(). I learn that new String("a") is definitely an item, and stage one is utilized: return Phony if the types are distinctive.