How to Check if a Property Exists in a JavaScript Object

1 · freeCodeCamp.org · April 25, 2022, 6:42 p.m.
When you are working with objects in JavaScript, you might need to check if a specific property exists or not. In this article, I will show you three ways to check if a property exists in a JavaScript object. How to Use the hasOwnProperty() Method in JavaScript The...