Understanding JavaScript Objects & Classes JavaScript is built on objects. Whether you’re storing data, organizing functionality, or working with modern ES6 classes, a solid understanding of objects is essential. In this article, we’ll cover objects, prototypes, the this keyword, and classes with clear examples. Objects in JavaScript Objects are collections of key–value pairs. They can contain both data and functions, making them versatile structures for many tasks. const user = { name: "Ava", age: 28, greet() { return `Hi, I'm ${this.name}`; } }; Creating Objects The simplest way to create objects is with object literals. You can also use spread syntax to clone or extend them: const person = { name: "Kai", score: 42 }; const clone = { ...person }; // shallow copy Prototypes JavaScript uses prototypal inheritance, meaning objects can inherit beha...