The mystery of React Element, children, parents and re-renders
04-07-2022Nadia Makarevich The mystery of React Element, children, parents and re-renders Looking into what is React Element, exploring various children vs parents relationship in React, and how they affect re-renders In one of the previous articles about React composition, I showed an example of how to improve performance of a component with heavy state operations by passing other components to i
React re-renders guide: everything, all at once
02-08-2022Nadia Makarevich React re-renders guide: everything, all at once Comprehensive guide on React re-renders. The guide explains what re-renders are, what a necessary and unnecessary re-render is, what can trigger a React component re-render. Also includes most important patterns that can help prevent re-renders and a few anti-patterns that lead to unnecessary re-renders and poor performance
React components composition: how to get it right
12-04-2022Nadia Makarevich React components composition: how to get it right What is components composition? How do you know when to start splitting a big component into smaller pieces and how to compose them properly? What makes a good component? Community-supported translations : 汉语 One of the most interesting and challenging things in React is not mastering some advanced techniques for state ma
Why custom react hooks could destroy your app performance
24-01-2022Nadia Makarevich Why custom react hooks could destroy your app performance Scary title, isn’t it? The sad part is that it’s true: for performance-sensitive apps custom React hooks can very easily turn into the biggest performance killer, if not written and used very carefully. I’m not going to explain how to build and use hooks here, if you never built a hook before, the React docs have
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