React Native

1. Cross-platform development with a single codebase.
2. Native performance by rendering components using native UI components.
3. Reusable UI components for efficient development.
4. Hot reloading for real-time code changes.

Before learning React Native, it's helpful to have:

1. Proficiency in JavaScript: React Native relies heavily on JavaScript, so a strong understanding of the language is essential.
2. Familiarity with React: React Native builds upon React, so knowledge of React concepts like components, state, and props is beneficial.
3. Understanding of CSS: React Native uses a styling system similar to CSS, so knowledge of CSS concepts like layout, styles, and flexbox is useful.
4. Experience with Mobile Development: While not mandatory, prior experience with mobile development concepts and platforms like iOS and Android can expedite the learning process.

By learning React Native, you gain:

1. Cross-Platform Development: Ability to develop mobile applications for iOS and Android using a single codebase.
2. JavaScript Proficiency: Enhanced proficiency in JavaScript, as React Native is built using JavaScript.
3. React Skills: Deepened understanding of React concepts such as components, state management, and props.
4. Mobile Development Knowledge: Familiarity with mobile development concepts and best practices.