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React is known for providing a fast user experience by only updating the parts of the UI that have changed. In this article, we discuss how we can optimise the render performance by understanding how React decides to re-render
Node.js memory management provides means to dynamically allocate memory chunks for programs when they request them and free it when they are no longer needed, so they can be reused. Application-level memory management can be manual or automatic.
Promises are great but the its nested syntax can get easily complex and hard to follow. With ES2017 async and await keywords for writing asynchronous code makes it more readable and easier to follow than equivalent code based on long promise chains or deeply nested callbacks.