The Object getOwnPropertySymbols() method
Find out all about the JavaScript getOwnPropertySymbols() method of the Object object
THE AHA STACK MASTERCLASS
Now open with 50% off launch discount!
Get an array of symbols defined on an object.
Symbols are an ES2015 feature, and this method was introduced in ES2015 as well.
Example:
const dog = {}
const r = Symbol('Roger')
const s = Symbol('Syd')
dog[r] = {
name: 'Roger',
age: 6
}
dog[s] = {
name: 'Syd',
age: 5
}
Object.getOwnPropertySymbols(dog) //[ Symbol(Roger), Symbol(Syd) ]
→ Get my JavaScript Beginner's Handbook
I wrote 20 books to help you become a better developer:
- Astro Handbook
- HTML Handbook
- Next.js Pages Router Handbook
- Alpine.js Handbook
- HTMX Handbook
- TypeScript Handbook
- React Handbook
- SQL Handbook
- Git Cheat Sheet
- Laravel Handbook
- Express Handbook
- Swift Handbook
- Go Handbook
- PHP Handbook
- Python Handbook
- Linux Commands Handbook
- C Handbook
- JavaScript Handbook
- CSS Handbook
- Node.js Handbook