This code snippet performs two separate, but related tasks. Here's...
July 4, 2025 at 09:53 PM
This code snippet performs two separate, but related tasks. Here's what each section does:
1. Commented Out Smooth Scroll for Anchor Links
- The commented-out code was intended to provide smooth scrolling behavior for anchor links in the web page, but it has been disabled (commented out) because the layout does not include any anchor links.
- If it were active, it would:
- Add an event listener to all
<a>
elements withhref
attributes that start with#
(indicating an internal anchor link on the page). - When such a link is clicked, it would:
- Prevent the default click behavior using
e.preventDefault()
. - Find the target element using the value of the
href
attribute anddocument.querySelector
. - Use
scrollIntoView
with thesmooth
behavior to scroll to the target element.
- Prevent the default click behavior using
- Add an event listener to all
2. Sticky Header Effect
- The active code (not commented out) adds a "sticky" effect to the header when the user scrolls down the page.
- Here’s how it works:
- A
scroll
event listener is attached to thewindow
object. This event triggers any time the user scrolls the page. - Within the event, it:
- Selects the
<header>
element usingdocument.querySelector
. - Checks if the vertical scroll position (
window.scrollY
) is greater than 50 pixels. - If the page is scrolled down more than 50 pixels:
- Sets the header's background color to
'rgba(10, 10, 10, 0.95)'
, making it a translucent dark color. - Adds a
blur
effect to the header using thebackdropFilter
CSS property and its Safari-compatible equivalent (webkitBackdropFilter
).
- Sets the header's background color to
- If the scroll position is less than or equal to 50 pixels:
- Resets the header's background to
'transparent'
, removing the dark background. - Removes the blur effect by setting
backdropFilter
andwebkitBackdropFilter
to'none'
.
- Resets the header's background to
- Selects the
- A
In short:
- The commented-out portion relates to smooth scrolling for anchor links (disabled as unnecessary for the current page).
- The active portion applies a sticky effect to the
<header>
element when scrolling beyond 50 pixels, changing its background and applying a blur effect dynamically.
Generate your own explanations
Download our vscode extension
Read other generated explanations
Built by @thebuilderjr
Sponsored by beam analytics
Read our terms and privacy policy
Forked from openai-quickstart-node