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JavaScript, renowned for its versatility and flexibility, offers various data structures to empower developers in building robust applications. Among these, objects stand out as a fundamental and powerful construct.
In this article, we’ll delve into the world of objects as variables in JavaScript, exploring their syntax, usage, and practical applications with up-to-date code examples.
Understanding Objects in JavaScript
In JavaScript, an object is a collection of key-value pairs, where each key is a string (or symbol) and each value can be of any data type, including other objects. Objects provide a way to encapsulate related data and functionality into a single entity, making code organization and management more manageable.
// Example of an object representing a person
let person = {
name: "John Doe",
age: 30,
profession: "Developer"
};
Creating Objects
There are several ways to create objects in JavaScript. One common method is using object literals, as shown in the previous example. Alternatively, you can use the new
keyword with a…