Check if date is valid

OSCC · JavaScript, Date · Oct 20, 2020

Checks if a valid date object can be created from the given values.

  • Use the spread operator (...) to pass the array of arguments to the Date constructor.
  • Use Date.prototype.valueOf() and Number.isNaN() to check if a valid Date object can be created from the given values.
const isDateValid = (...val) => !Number.isNaN(new Date(...val).valueOf());
isDateValid('December 17, 1995 03:24:00'); // true
isDateValid('1995-12-17T03:24:00'); // true
isDateValid('1995-12-17 T03:24:00'); // false
isDateValid('Duck'); // false
isDateValid(1995, 11, 17); // true
isDateValid(1995, 11, 17, 'Duck'); // false
isDateValid({}); // false

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