dayjs get year code example

Example 1: how to get the year in javascript

new Date().getFullYear(); // This will get you the current year

Example 2: javascript get day of year

// `date` is a Date object
const dayOfYear = date => Math.floor((date - new Date(date.getFullYear(), 0, 0)) / (1000 * 60 * 60 * 24));

// Example
dayOfYear(new Date(2020, 04, 16));      // 137