Modern JavaScript ES2024 Features You Should Know

Explore the latest JavaScript features in ES2024, including new syntax, methods, and capabilities that will enhance your development workflow.

Published: February 08, 2024
Author: SQ Tech
Updated: October 16, 2025

JavaScript continues to evolve rapidly. ES2024 brings exciting new features that make development more efficient and code more readable.

New Features

• Array.prototype.groupBy()
• Temporal API for better date handling
• Decorators (stage 3)
• Pattern matching
• Pipeline operator

Code Examples

```javascript
const users = [
{ name: 'John', age: 25 },
{ name: 'Jane', age: 30 }
]
const grouped = users.groupBy(user => user.age > 25 ? 'adult' : 'young')
```