Position sticky combines relative and fixed positioning. Here's how to use it effectively.
Basic Sticky
Loading code block...
How Sticky Works
Loading code block...
Common Pitfalls
Loading code block...
Sticky Header Patterns
Loading code block...
Sticky Sidebar
Loading code block...
Sticky Table Headers
Loading code block...
Sticky Section Headers
Loading code block...
Sticky with Intersection Observer
Loading code block...
Loading code block...
Responsive Sticky
Loading code block...
Sticky Footer
Loading code block...
Debugging Sticky
Loading code block...
Best Practices
Setup:
✓ Always set a threshold (top/bottom)
✓ Ensure parent has height
✓ Check parent overflow values
✓ Use align-self in flex/grid
Styling:
✓ Add background to prevent transparency
✓ Use z-index for stacking
✓ Add shadow when stuck
✓ Consider backdrop-filter
Performance:
✓ Avoid complex shadows while scrolling
✓ Use will-change sparingly
✓ Keep sticky content simple
✓ Test on mobile devices
Responsive:
✓ Adjust top value for header heights
✓ Consider disabling on mobile
✓ Test in all viewport sizes
✓ Account for dynamic content
Conclusion
Position sticky is powerful but requires proper setup. Ensure parents have height and visible overflow, always set a threshold value, and use align-self in flex/grid layouts. Debug with outlines and DevTools when sticky doesn't work as expected.