3 Ways To Access Object Properties in JavaScript

3 Ways To Access Object Properties in JavaScript

Learn how to access object properties in three easy ways. Learn about dot notation, bracket notation and destructuring and how to use each. Objects are one area every JavaScript developer must know very well.

Learn how to access object properties in three easy ways. Learn about dot notation, bracket notation and destructuring and how to use each.

Objects are one area every JavaScript developer must know very well. Accessing object properties belongs to this area as well. In this tutorial, you will learn how to access object properties in three ways. You will learn how to use dot notation, bracket notation and destructuring.

Introduction to how to access object properties

Objects are one of the data types in JavaScript. They allow you to store data in key-value pairs. Those “keys” in those pairs are also called properties. If you are not familiar with objects yet, you can think about them as variables. These variables exist only on the object that contains them, not anywhere outside these objects.

In JavaScript there are multiple ways you can use to access one of those properties. These are dot notation, bracket notation and destructuring. Dot notation is sometimes also called dot property accessor. Another name for bracket notation is square brackets property access. There is one important thing to mention.

All these ways assume you know the name of the property you want to access. If you don’t know it, nothing is lost. You can loops to iterate over the object to get all properties, including the one you want. But now, let’s take a look at those three ways you can use to access object properties.

  • Dot notation
  • Bracket notation
  • Object destructuring

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