The Basics Of JavaScript Variable Definitions & Hoisting

I wrote this tutorial as an introduction to an often overlooked subject. I can’t blame you, JavaScript is an accessible language — just pop open your text editor and you’re ready to start coding. But JavaScript has traditionally been a language of many quirks, oddball features and inconsistencies. Perhaps this article will be helpful to those who are completely new to the language.

Here’s a list of my best web development tutorials.

Complete CSS flex tutorial on Hashnode.

Ultimate CSS grid tutorial on Hashnode.

Higher-order functions .map, .filter & .reduce on Hashnode.

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My Coding Books

First things first. Scope is simply the area enclosed by {} brackets.

There are 3 main types of scopes that provide distinct behavior: global scope, block scope and function scope. Each scope expects different things…