506 B
506 B
title, tags, cover, firstSeen, lastUpdated
| title | tags | cover | firstSeen | lastUpdated |
|---|---|---|---|---|
| Check for leap year | date | blog_images/flowering-hills.jpg | 2020-02-05T14:00:03+02:00 | 2020-10-20T23:02:01+03:00 |
Checks if the given year is a leap year.
- Use the
Dateconstructor, setting the date to February 29th of the givenyear. - Use
Date.prototype.getMonth()to check if the month is equal to1.
const isLeapYear = year => new Date(year, 1, 29).getMonth() === 1;
isLeapYear(2019); // false
isLeapYear(2020); // true