get from date month and day code example
Example 1: 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
Example 2: how to get only month and year in js
let dateObj = new Date();
let myDate = (dateObj.getUTCFullYear()) + "/" + (dateObj.getMonth() + 1)+ "/" + (dateObj.getUTCDate());