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Max Angelo Dapitilla Perin
Max Angelo Dapitilla Perin

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Answer: (Built-in) way in JavaScript to check if a string is a valid number

2nd October 2020: note that many bare-bones approaches are fraught with subtle bugs (eg. whitespace, implicit partial parsing, radix, coercion of arrays etc.) that many of the answers here fail to take into account. The following implementation might work for you, but note that it does not cater for number…

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