JavaScript Tutorial
Getter and Setter in JavaScript (Explained with Example)
Table of Contents
- Introduction
- What is a Getter in JavaScript?
- JavaScript Getter Syntax
- JavaScript Getter Examples
- Why Use Getters in JS?
- What is a JavaScript Setter?
- JavaScript Setter Syntax
- JavaScript Setter Examples
- Why Use Setters in JS?
- JavaScript Object.defineProperty() for Using Getters and Setters
- Why Use Getters and Setters in JavaScript?
- Combining Getters and Setters in JavaScript
- Using Getters and Setters with Classes
FAQs about JavaScript Getters and Setters
Yes, you can define getters and setters using Object.defineProperty() in ES5.
No, they are optional. Use them when you need controlled access or dynamic computation for properties.
Only setters can have parameters. Getters cannot accept arguments as they are designed to retrieve data.
Getters and setters may slightly impact performance since they add an additional layer of logic. However, for most use cases, the difference is negligible.
Yes, using both makes it easy to read and write values while adding logic for each operation.
