JavaScript Tutorial
JavaScript Prototypes: Uses, Methods, Examples
Table of Contents
- Introduction
- What is a Prototype in JavaScript?
- The Prototype Chain
- Why Use Prototypes in JavaScript?
- JavaScript Prototype Properties and Methods
- Prototypes and Classes
- Prototype Inheritance in Action
- Challenges of Using Prototypes
FAQs About JavaScript Prototypes
__proto__ is an object’s actual prototype.
prototype is a property of a function used to set the prototype for all instances created by that function.
Yes, you can override methods by defining them on the object itself.
No, many other languages have prototype-based inheritance, but JavaScript popularized its use.
If the property isn’t found anywhere in the chain, undefined is returned.