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1. Purpose 2. Return Value 3. Usage Example 4. When to Use 👉 In short:

In JavaScript, cloning (copying) an array means creating a new array with the same elements, without referencing the original one....

In JavaScript, array methods like map, filter, and reduce are higher-order functions. They allow you to transform, filter, and combine...

Let’s break down the difference between an array and an object in JavaScript (and generally in programming): 🔹 Array 🔹...

🔹 What is Object.create()? Object.create() is a built-in JavaScript method that creates a new object and sets its prototype to...

1. Object.seal() ✅ Example: 2. Object.freeze() ✅ Example: Key Difference Table Feature Object.seal() Object.freeze() Add new properties ❌ Not allowed...

1. Object Literal An object literal is the simplest way to create an object in JavaScript.You directly define the object...

In JavaScript, getters and setters are special methods that allow you to define how properties of an object are accessed...

1. Adding Properties You can add new properties to an object in multiple ways: ✅ Dot notation ✅ Bracket notation...

Prototype In JavaScript, every object has an internal hidden property called [[Prototype]] (often accessed using __proto__ or through Object.getPrototypeOf()). 👉...