Week 3 - Task 1: JavaScript Core Concepts JavaScript has many concepts that look simple at first but become very important when writing real applications. While learning JavaScript, I came across concepts like var , let , const , hoisting, lexical scope, execution context, call stack, closures, ...
Source: [Dev.to](https://dev.to/koushikmaya/-week-3-task-1-understanding-javascript-core-concepts-4c96)