React Native — JavaScript Environment, Network, and Security

React Native — JavaScript Environment, Network, and Security

React Native is a mobile development that’s based on React that we can use to do mobile development.

React Native is a mobile development that’s based on React that we can use to do mobile development.

In this article, we’ll look at how to use it to create an app with React Native.

JavaScript Environment

React Native runs in an environment that lets us use modern JavaScript features.

In most cases, React Native lets us run with JavaScriptCore, which also powers Safari.

We can use most modern features like for-of, object spread, template literals, spread and rest, modules, async and await, and more.

Also, we can use popular methods like console.log , array methods, object methods, and more.

Timers and InteractionManager

We can use the InteractionManager object to run timers on a separate thread.

This is better than the alternative of using JavaScript timer functions like setTimeout and setInterval in our React Native code.

For example, we can write:

InteractionManager.runAfterInteractions(() => {
  // ...long-running synchronous task...
});

We run runAfterInteractions method with a callback and we can run any long-running synchronous code in the callback.

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