Modern JavaScript: ES2024 Features You Should Know

JavaScript continues to evolve rapidly. Let's explore the exciting new features introduced in ES2024.

New Features

Array Grouping

Group array elements with the new `Object.groupBy()` method.

Temporal API

A modern date and time API that replaces the problematic Date object.

Pattern Matching

Powerful pattern matching capabilities for cleaner code.

Pipeline Operator

Chain operations in a more readable way.

Practical Examples

Array Grouping

const users = [

{ name: 'John', role: 'admin' },

{ name: 'Jane', role: 'user' },

{ name: 'Bob', role: 'admin' }

]

const grouped = Object.groupBy(users, user => user.role)

Temporal API

const now = Temporal.Now.plainDateTimeISO()

const birthday = Temporal.PlainDate.from('1990-01-01')

Browser Support

While these features are cutting-edge, browser support varies. Use Babel for production applications.

Migration Strategy

Conclusion

ES2024 brings exciting improvements to JavaScript. Start experimenting with these features today!