In this article, we’ll explore hoisting with classes in JavaScript and how it works under the hood. We will cover what hoisting is, why it matters when working with classes, and some best practices you can follow to avoid common pitfalls.
By the end of this guide, you should have a solid understanding of hoisting and be able to use classes effectively in your projects.
What is Hoisting?
In JavaScript, hoisting is a mechanism where variable and function declarations are moved to the top of their respective scopes during compilation. This means that variables and functions can be used before they are declared without causing a ReferenceError. However, only the declaration is hoisted, not the initialization or assignment. Here's an example:
x = 5; // Assignment
console.log(x); // Output: 5
var x; // DeclarationEven though the var x statement comes after the log statement, it still logs the correct value because the declaration was hoisted to the beginning of its scope.
Classes and Hoisting
With the introduction of ECMAScript 2015 (ES6), classes were added as a new…
