Mathias Bynens • 6/14/2018

JavaScript engine fundamentals: Shapes and Inline Caches

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This article details fundamental concepts like Shapes (hidden classes) and Inline Caches used by JavaScript engines (V8, SpiderMonkey, Chakra) to optimize performance. It explains the interpreter and compiler pipeline, showing how profiling data guides optimization and deoptimization, helping developers write more performant JavaScript code.

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#JavaScript #Bytecode #Engine Fundamentals
JavaScript engine fundamentals: Shapes and Inline Caches

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