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Asked: 2026-05-31T14:55:05+00:00

Is there is any function like isNumeric in pure JavaScript? I know jQuery has

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Is there is any function like isNumeric in pure JavaScript?

I know jQuery has this function to check the integers.

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  1. Editorial Team

    There’s no isNumeric() type of function, but you could add your own:

    function isNumeric(n) {
  return !isNaN(parseFloat(n)) && isFinite(n);
}

    NOTE: Since parseInt() is not a proper way to check for numeric it should NOT be used.

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