What does if (t == +t) { ... } mean?
Sorry for asking such a simple question, but I have searched for "plus operator" and tried to evaluate it in javascript myself, but I cannot guess what the purpose is.
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Implicit conversion to number. – VLAZ Sep 09 '16 at 22:19
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Haha this is almost word for word the same as the duplicate question. That's pretty funny. – Drew Kennedy Sep 09 '16 at 22:20
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Also, that comparison is pretty useless - double equals will already do the conversion. – VLAZ Sep 09 '16 at 22:21
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1@Vld: it's not useless - it will check if `t` can be converted to numeric type – Adassko Sep 09 '16 at 22:25
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@Adassko actually you're right - I missed that. – VLAZ Sep 09 '16 at 22:26
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Its a unary operator and it coerces t to a number from a string. It has the same effect as:
if (t == Number(t)) { ... }
For more information: Is plus sign in +process a typo in Node.js documentation on domains?
