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並前往https://doctorderek.medium.com/number-isfinite-is-the-best-way-to-check-for-a-number-in-javascript-31a1b8c75ca3

Number.isFinite() is the best way to check for a number in ...

You are exactly right, Number.isFinite() is the easiest way to check for a finite number, as it excludes NaN, Infinity, and -Infinity: I clarified my ...

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