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Hermes

JavaScript engine optimized for React Native

Start Using Hermes
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Faster App Launch

Hermes-powered apps launch faster, thanks to build-time
precompilation of JavaScript into efficient bytecode.

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Optimized for Mobile

Hermes is small in APK size, lean on memory, and starts instantly. It
won't weigh your app down.

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Easy Integration

It's simple to get started with Hermes in React Native apps. Hermes
is open source and implements JavaScript standards.

Docs

  * Language Features
  * Building and Running
  * Building with Emscripten

Integrations

  * Using with React Native
  * Using a custom build with React Native

More

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