Coding⏱️ 2 min read📅 2026-06-03

How to Fix: Update style of a component onScroll in React.js

Improve React component's performance by using the `useEffect` hook instead of event listeners.

Quick Answer: Use `useEffect` to update the component's style on scroll, making it more efficient and easier to manage.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

To update the style of a component on scroll in React.js, you can use the useEffect hook to add an event listener to the window's scroll event. This approach is more efficient and reliable than using the window.addEventListener method.

⚠️ Common Causes

  • Using the window.addEventListener method can lead to memory leaks and performance issues.

🚀 How to Resolve This Issue

Method 1: Using the useEffect Hook

  1. Step 1: Import the useEffect hook and create a function to update the component's style based on the scroll position.

Method 2: Using the useRef and useEffect Combinations

  1. Step 1: Create a reference to store the component's style.

✨ Wrapping Up

By using the useEffect hook, you can update the style of a component on scroll in React.js while avoiding common pitfalls.

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