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Why is the ‘this’ Keyword Important in JavaScript?

Coding With JD
4 min readNov 14, 2023

Ever heard that mastering JavaScript is like joining an exclusive club, and the secret password is understanding “this”? It’s the cool kid on the coding block! If you’re diving into JavaScript, consider getting to know how the “this” keyword grooves through your code — it’s your ticket to an awesome coding journey!

The behavior of “this” can often seem mysterious or inconsistent until it “clicks.” But once you truly understand this, you’ll code with JavaScript much more confidently.

Let me try to break it down in plain English terms.

What is “this”?

The “this” keyword is a way to refer to the object that “owns” the code from which it is called. But what exactly does that mean? Well, JavaScript functions operate differently than those in other languages like Python or Java.

In JavaScript, the context or value of ‘this’ is determined by how the function is called rather than where it is declared.

To understand this better, let’s look at a simple example. Say I have an object called myObject with a method called myMethod:

const myObject = {
name: "John",
myMethod: function() {
console.log(this.name);
}
}

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Coding With JD
Coding With JD

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