Ptt 大爆卦 | JavaScript const let - 前往 https://stackoverflow.com/questions/76010295/when-should-you-use-var-let-or-const-in-javascript-code

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When should you use "var", "let", or "const" in JavaScript code

So, use let when you know that the value of an identifier will change. Use const when the identifier value is constant, wont change. Avoid using ...

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