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JavaScript engine fundamentals: Shapes and Inline Caches · Benedikt Meurer
| | benediktmeurer.de
Restoring for..in peak performance · Benedikt Meurer
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| | Personal website of Benedikt Meurer, JavaScript Engine Hacker and Programming Language Enthusiast.
| | v8.dev
The story of a V8 performance cliff in React · V8
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| | This article describes how V8 chooses optimal in-memory representations for various JavaScript values, and how that impacts the shape machinery - all of which helps explain a recent V8 performance cliff in React core.
| | jandemooij.nl
Some SpiderMonkey optimizations in Firefox Quantum
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| | [AI summary] This article details various performance optimizations implemented in the SpiderMonkey JavaScript engine leading up to Firefox Quantum, including improvements to array handling, regular expressions, inline caches, and internal memory management.
| | raganwald.com
Fun with Named Functions in JavaScript
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| [AI summary] The article explains the nuances of named functions in JavaScript, contrasting declarations and expressions to highlight benefits for debugging and scope.