Skip to content

Restrict an Object in JavaScript

View on Twitter

💡 In JavaScript, you can restrict the usage of an object in 3 ways:

👉🏼 preventExtensions() — ❌ add new props, ✅ modify and remove existing props
👉🏼 seal() — ❌ add or remove props, ✅ modify existing props
👉🏼 freeze() — ❌ add, remove or modify props

Object Restriction table with add, modify and remove property as rows and default, preventExtensions, seal and freeze functions as columns.
You might also like
Large Node.js Project Example to Learn From Read tip
Practice Algorithms and Data Structures in JavaScript Read tip
Check If Port Is Open to Public Read tip