How to avoid layout thrashing and costly reflows

Avoid layout thrashing, reflows, performance optimization, JavaScript, web development
Learn how to avoid layout thrashing and costly reflows in your web development projects to improve performance and user experience.
// Example of optimizing DOM manipulation to avoid layout thrashing function updateLayout() { const element = document.getElementById('myElement'); // Read layout values before making changes const rect = element.getBoundingClientRect(); // Perform updates based on the read values element.style.width = (rect.width + 50) + 'px'; // Prevents reflow element.style.height = (rect.height + 50) + 'px'; // Prevents reflow }

Avoid layout thrashing reflows performance optimization JavaScript web development