Web Development,Programming

The State of JavaScript 2024 - JavaScript Features

December 21, 2024

O. Wolfson

Here is a comprehensive list of JavaScript features highlighted in The State of JavaScript 2024. This annual survey provides valuable insights into the preferences, usage patterns, and emerging trends among JavaScript developers worldwide, making it a must-read for anyone in the JavaScript community.

Syntax Features

String Features

Array Features

Async Features

Set Features

Object Features

Browser APIs

Check out the full list of features and the full survey for more details.

The State of JavaScript 2024 - JavaScript Features

Syntax Features

1. Nullish Coalescing

2. Dynamic Import

3. Private Fields

4. Logical Assignment

5. Hashbang Grammar

6. Error Cause

String Features

1. string.replaceAll()

2. string.matchAll()

3. Regexp Match Indices

Array Features

1. array.toSorted()

2. array.findLast()

3. array.fromAsync()

4. array.with()

5. array.toSpliced()

6. array.toReversed()

Async Features

1. Promise.allSettled()

2. Promise.any()

3. Promise.try()

4. Top-level await

Set Features

1. set.union()

2. set.intersection()

3. set.difference()

4. set.isSubsetOf()

5. set.isSupersetOf()

6. set.symmetricDifference()

7. set.isDisjointFrom()

Object Features

1. Object.groupBy()

Browser APIs

1. WebSocket

2. Progressive Web Apps

3. Geolocation API

4. Web Animations

5. WebGL

6. Page Visibility API

7. WebAssembly (WASM)

8. WebRTC

9. Web Authentication API

10. Temporal

11. Broadcast Channel API

12. Web Speech API

13. Gamepad API

14. WebXR Device API

The State of JavaScript 2024 - JavaScript Features

Syntax Features

1. Nullish Coalescing

2. Dynamic Import

3. Private Fields

4. Logical Assignment

5. Hashbang Grammar

6. Error Cause

String Features

1. string.replaceAll()

2. string.matchAll()

3. Regexp Match Indices

Array Features

1. array.toSorted()

2. array.findLast()

3. array.fromAsync()

4. array.with()

5. array.toSpliced()

6. array.toReversed()

Async Features

1. Promise.allSettled()

2. Promise.any()

3. Promise.try()

4. Top-level await

Set Features

1. set.union()

2. set.intersection()

3. set.difference()

4. set.isSubsetOf()

5. set.isSupersetOf()

6. set.symmetricDifference()