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Asked: 2026-06-03T19:54:03+00:00

Possible Duplicate: Detecting an “invalid date” Date instance in JavaScript Is there is a

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Possible Duplicate:
Detecting an “invalid date” Date instance in JavaScript

Is there is a function IsDate() in javascript?

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1 Answer

  1. Editorial Team

    Try this:

    var date = new Date();
console.log(date instanceof Date && !isNaN(date.valueOf()));

    This should return true.

    UPDATED: Added isNaN check to handle the case commented by Julian H. Lam

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