React Native Questions Asked in Companies

What are Refs in React Native?

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React refs are useful features that allow you to access DOM elements or component’s instance directly within React. It comes handy in situations where you want to change the child of a component without using props or re-rendering the whole component. In React Native, refs provide a way to access a component instance or DOM … Read more

What is style in React Native?

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It is an essential component in the web or mobile, which makes the application attractive. React Native does not require any special language or syntax for styling. It can style the application using the JavaScript object.   In React Native, the style prop is used to apply styles to components, just like the style attribute … Read more

Which language is used in React Native?

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The language used in React Native is Java for Android applications and Objective-C/Swift for iOS apps.   React Native uses JavaScript as the primary programming language. Specifically, it uses a superset of JavaScript called JSX (JavaScript XML) for defining UI components. JSX allows developers to write XML-like code in their JavaScript files, making it easier … Read more

Is React Native a Native mobile app?

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Yes, React Native is a native mobile app, which compiles a native mobile app using native app components. It is neither a Hybrid mobile app that uses WebView to run the HTML5 app nor a mobile web app. The React Native framework builds a real mobile app, which is indistinguishable from an app built using … Read more

For what XHR Module is used in the React Native?

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In React Native, the XHR module is used to implement the XMLHttpRequest. It is an object for interacting with remote services. This object is consists of two parts, front-end and back-end, where the front-end allows interacting within JavaScript. It sends the request to the XHR back-end, which is responsible for a processing network request. The … Read more