It is easy to think that React is faster than JavaScript because React provides several performance optimizations that can make web applications more responsive and efficient. These optimizations can help to minimize the number of updates to the actual DOM and improve the overall performance of the application.
React is not faster than JavaScript because React is a JavaScript library. React is designed to provide a more efficient way of building user interfaces in JavaScript, but it does not replace or compete with JavaScript.
React provides several performance optimizations, such as a Virtual DOM implementation and keyed reconciliation, which can help to improve the performance of JavaScript applications, especially for complex and dynamic user interfaces. However, React itself is not inherently faster than JavaScript, since it is a tool for building JavaScript applications.
Optimizations offered by React JS can make React-based applications more efficient and responsive than traditional JavaScript-based applications, which can make it easy to assume that React is faster than JavaScript itself. However, it is important to understand that React is still based on JavaScript and that its performance improvements are achieved through optimizations and not by replacing or competing with JavaScript.
In summary, React is a powerful and efficient tool for building user interfaces in JavaScript, but it does not replace or compete with JavaScript itself. Both React and JavaScript have their own strengths and weaknesses, and developers should choose the right tool for the job based on the specific requirements of their project.