React is a powerful JavaScript library that has revolutionized the way developers build web applications. - web2 webdevelopment
: The ride-sharing service used React to develop its MVP, which has revolutionized the transportation industry and made it one of the most valuable companies in the world.
Reusable components can also accept props, which are arguments that can be passed to the component. These props allow you to customize the component's behavior and appearance.
In this example, the count state variable is displayed in an h1 element, and there is a button that, when clicked, increments the count. Every time the count state variable is updated, the virtual DOM is updated with the new value. The virtual DOM then compares the previous version with the new version, and only updates the actual DOM with the changes that are necessary. Using the virtual DOM can greatly improve the performance of your application, and make it more responsive and user-friendly.
import React from 'react'; class App extends React.Component { constructor { super; this.state={ count: 0 }; } handleClick { this.setState; } render { return }>Click me {this.state.count} ); } } export default App;
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