Const vs Immutable (Plus Shallow vs Deep) #JavaScript

Web Reference: Jul 17, 2009 · 1870 I always mess up how to use const int *, const int * const, and int * const correctly. Is there a set of rules defining what you can and cannot do? I want to know all the do's and all don'ts in terms of assignments, passing to the functions, etc. int const* const is a const pointer to a const int For whatever unfortunate accident in history, however, it was found reasonable to also allow the top-level const to be written on the left, i.e., const int and int const are absolutely equivalent. The const keyword used with the function declaration specifies that it is a const member function and it will not be able to change the data members of the object.

YouTube Excerpt: While const and immutability are related, they are two separate concepts. These concepts often get confused, so I thought it made sense to cover them together. It is my goal to not simply give you definitions, which are often forgotten. Instead, give you the intuition to understand the differences and why they work the way they do. 00:00 - Intro 00:21 - Visualizing Code 00:53 - Const 02:02 - Immutability with Object.freeze 03:29 - Deep Immutability 04:40 - Recap 05:52 - 🐱 Dumpling Article: - https://joel.net/const-vs-immutable-plus-shallow-vs-deep deepFreeze Function - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze Subscribe to my Newsletter (https://joel.net/newsletter) to continue learning about Cloudflare Workers! Cheers 🍻 Join my 📰 Newsletter - https://joel.net/newsletter Subscribe to my 📺 YouTube, JoelCodes Say hi to me on Twitter @joelnet - https://twitter.com/joelnet Music: Slynk | Track: X Ray Vision Music without copyright - Attribution not required. Download MP3 - https://www.youtube.com/audiolibrary_download?vid=5d3fe2c3de5249a2

While const and immutability are related, they are two separate concepts. These concepts often get confused, so I thought it made sense to cover...

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