Your scroll listener is doing CSS's job
📰 Dev.to · Parsa Jiravand
Learn why using JavaScript for scroll events can be unnecessary and how to offload that work to CSS, improving performance and simplicity
Action Steps
- Identify scroll events in your JavaScript code
- Replace JavaScript scroll listeners with CSS scroll snap or position: sticky where possible
- Test and refine your CSS-based scroll solutions
- Compare performance before and after offloading scroll work to CSS
- Apply CSS best practices to ensure compatibility and responsiveness
Who Needs to Know This
Frontend developers and designers can benefit from understanding the difference between using JavaScript and CSS for scroll events, allowing them to make informed decisions about when to use each
Key Insight
💡 CSS can handle many scroll-related tasks, reducing the need for JavaScript and improving performance
Share This
💡 Did you know your scroll listener might be doing CSS's job? Learn how to simplify and improve performance by offloading scroll work to CSS!
Key Takeaways
Learn why using JavaScript for scroll events can be unnecessary and how to offload that work to CSS, improving performance and simplicity
Full Article
You've written this, or something very close to it: window.addEventListener('scroll', () => { ...
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