How to format a date for the given locale in JavaScript

In this Article we will go through how to format a date for the given locale only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const format = (date, locale) => new Intl.DateTimeFormat(locale).format(date);

Parameters locale is a locale (en-US, pt-BR, for example).

Parameters date is a Date object.

format(new Date(), 'pt-BR');    // 06/05/2020