how to catch the month number in javascript code example

Example 1: current month in javascript

// Find current month in JavaScript
const localDate = new Date();
const months = [
  'January',
  'February',
  'March',
  'April',
  'May',
  'June',
  'July',
  'August',
  'September',
  'October',
  'November',
  'December',
];
let currentMonth = months[localDate.getMonth()];
console.log(currentMonth);

Example 2: get current date javascript full month

var Xmas95 = new Date();
var options = { month: 'long'};
console.log(new Intl.DateTimeFormat('en-US', options).format(Xmas95));
// December
console.log(new Intl.DateTimeFormat('de-DE', options).format(Xmas95));
// Dezember