When working with DOM elements in React, you have two main approaches: using document.querySelector() (the traditional JavaScript way) or useRef (the React way). Here’s when and how to use each,….
Using state updates inside a loop without batching in React can lead to performance issues, unexpected UI behavior, and inefficient rendering. React’s setState is asynchronous and batches updates for performance…..
Calling setState() with a function but not using the previous state in React can lead to inconsistent or incorrect UI updates, especially when the new state depends on the current….
Proper Object State Updates in React When updating state objects in React, it’s crucial to create new object references rather than mutating existing ones. Here’s how to handle object state….
Mutating props inside a child component in React is a common mistake that can lead to unpredictable behavior, bugs, and issues with React’s unidirectional data flow. Props are meant to….
Proper State Management in React Components A critical React anti-pattern is modifying state directly rather than using the proper state update methods. Here’s how to handle state correctly in both….
When working with event listeners in React, especially in class-based or function components, it’s crucial to remove event listeners when the component unmounts. Forgetting to remove event listeners can cause….
Proper Event Handler Passing in React A common mistake in React is accidentally calling an event handler immediately instead of passing a reference to it. This causes the function to….
