How the let, const, and var Keywords Work in JavaScript

1 · freeCodeCamp.org · Jan. 11, 2022, 5:02 p.m.
As a JavaScript beginner, you probably learned how to declare variables and assign values. In the old, pre-ES6 era of JavaScript, developers used to declare variables using the keyword var or without any keywords. But times have changed! With ES6 (EcmaScript 2015), the beginning of the modern era in JavaScript,...