844 B
844 B
title, tags, expertise, cover, firstSeen, lastUpdated
| title | tags | expertise | cover | firstSeen | lastUpdated |
|---|---|---|---|---|---|
| Check if date is valid | date | intermediate | blog_images/two-cities.jpg | 2020-10-08T16:39:23+03:00 | 2020-10-20T23:02:01+03:00 |
Checks if a valid date object can be created from the given values.
- Use the spread operator (
...) to pass the array of arguments to theDateconstructor. - Use
Date.prototype.valueOf()andNumber.isNaN()to check if a validDateobject 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