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Dive into the inner workings of JavaScript engines in this 27-minute conference talk from React Native EU 2023. Demystify the seemingly magical world of JavaScript engines, particularly focusing on Hermes, the engine used in React Native applications. Explore key components such as bytecode, interpreter, garbage collector, and hidden classes, understanding how they collaborate to run React Native apps efficiently. Get a hands-on look at Hermes's C++ codebase, learn how to make modifications, and compile the engine. Gain valuable insights from Radek Pietruszewski, CTO at Nozbe and author of WatermelonDB and ZACS, as he breaks down complex concepts into accessible knowledge for JavaScript developers looking to deepen their understanding of the technology powering their applications.
