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In JavaScript, several data types are mutable, meaning their values can be changed after they are created. Here are some examples of mutable objects in JavaScript: 1. Arrays 2. Objects 3. Map and ...

Built-in JavaScript objects and functions are ones you'll use all the time. Here's how to use Object, JSON, String, Math, Date, and console in your JavaScript programs.

In the example usage, it might look like we are only dealing with two objects. But the truth is we are dealing with no less than 5 objects: MyObject, ConstructorFunction, ConstructorFunction.prototype ...

401 Prototypes All JavaScript objects inherit properties and methods from a prototype. For example: Date objects inherit from Date.prototype Array objects inherit from Array.prototype Person objects ...

What is JSON (JavaScript Object Notation)? JSON (JavaScript Object Notation) is a text-based, human-readable data interchange format used to exchange data between web clients and web servers. The ...