Is React Native a backend language?

The app on iOS or android would make the frontend whereas the the API or the code for interacting with the database, and receiving and sending data to and from the app is called the backend. Now React Native is responsible only for the front end, i.e. the app, part of the whole application .

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Can I use C++ in React Native?

Android makes it a bit more complicated to use C++ code, than iOS. You need to use the Android Native Development Kit (NDK), in order to compile the code into a static library . The bindings between the two layers (Android and C++ library) is handled via the Java Native Interface (JNI).

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