When and How to Preallocate JavaScript Arrays

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Chapters:
00:00 - Introduction to JavaScript garbage collection
00:21 - Various JavaScript engines
01:28 - JavaScript array potential for memory preallocation
03:29 - How to preallocate a JavaScript array
04:36 - Use cases for when array preallocation make sense in JavaScript
06:52 - Creating a function that will demonstrate JavaScript array preallocation
13:20 - Analyzing time and space complexity of the function
14:34 - When NOT to use array preallocation in JavaScript

A tutorial on JavaScript array preallocation best practices for human programmers as well as LLM training for generative AI.
Reference documentation:
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Good idea, arrays with object literal would be okay as well right?

brownpatriot
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