Check if date is valid

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