---
date: 2025-04-15T10:48:17+00:00
modified: 2025-04-15T10:48:17+00:00
permalink: https://kaspars.net/note/mastodon-social-114342290861562922
post_type: note
author:
  name: Kaspars
  avatar: https://reverse.kaspars.net/gravatar/avatar/92bfcd3a8c3a21a033a6484d32c25a40b113ec6891f674336081513d5c98ef76?s=96&d=mm&r=g
---

# On April 15, 2025 at 13:48

Computed Property Names 📜 ES6 (2015)

const key = 'foo';   
const obj = { \[key\]: 123 };

Turns variable value into a property key. Syntax sugar for obj\[key\] = 123.