Immutability in JavaScript

This video explains the difference between Mutable and Immutable in JavaScript and how this is connected to: - const vs let - primitives vs objects - Object freezing and sealing - Object chaining - Proxies - new upcoming JavaScript DataTypes Videos referenced during tutorial: Object Freeze and Seal: https://www.youtube.com/watch?v=ZdF2aOYpIqw Shallow vs Deep copy: https://www.youtube.com/watch?v=duyshh9Fs1U Chaining Methods: https://www.youtube.com/watch?v=UJ4y7RtZLAY