Javascript
How To Add A Back To Top Button In WordPress
Show a button after scrolling down and scroll smoothly back to the top when it is clicked.
How To Make A Sticky Header On Scroll In WordPress
Add a class to the header after the user scrolls, then style it with CSS. Replace .site-header with your theme header selector.
How To Create A Mobile Menu Toggle In WordPress With Javascript
A simple accessible toggle that opens and closes a menu on mobile.
How To Lazy Load Background Images In WordPress With Intersectionobserver
WordPress already adds loading="lazy" to images. Use IntersectionObserver for things the browser cannot lazy load by itself, like CSS background images.
How To Add Smooth Scroll To Anchor Links In WordPress
The shortest solution is pure CSS: add html { scroll-behavior: smooth; } to your stylesheet. If you need more control, use this JavaScript version.
