How to Show Navbar Brand Only After Scrolling Certain Height

Learn how to implement a smooth scrolling effect that hides your navbar brand until a certain scroll height is reached!
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This video is based on the question https://stackoverflow.com/q/70487753/ asked by the user 'user1994' ( https://stackoverflow.com/u/17767249/ ) and on the answer https://stackoverflow.com/a/70487836/ provided by the user 'Dennis van de Hoef - Xiotin' ( https://stackoverflow.com/u/5600652/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Show Navbar Brand Only After Scrolling Certain Height

Have you ever come across a situation where you want to hide your navbar brand initially and only show it after the user scrolls down a certain height on your webpage? This feature creates a clean look while ensuring that the brand isn't too intrusive when a user first arrives on your page. If you're looking for a way to implement this functionality using JavaScript and jQuery, you've come to the right place! In this post, we'll break down the solution into manageable steps and provide clear examples.

The Problem

When you load a webpage, you might want elements like your navbar brand logo to be hidden at the start. The idea is to reveal it only after the user has scrolled down a certain distance, for instance, 1000 pixels down the page. Hiding the logo initially makes for a minimalistic design while still keeping it accessible when needed.

The code you started with had some flaws that we will address. Here's the code snippet you provided:

[[See Video to Reveal this Text or Code Snippet]]

The Solution

Correcting Mistakes in Your Code

Using the Correct Method for Elements: You were using getElementsByClassName with an ID selector. Remember, elements starting with a # are IDs while those starting with a . represent class names.

Accessing the Element: getElementById doesn't return an array, so there's no need for [0].

style.display Values: Use none to hide an element and block or inline to show it.

Updated Code Example

Here’s how you can correctly implement the scrolling navbar show/hide functionality using vanilla JavaScript:

[[See Video to Reveal this Text or Code Snippet]]

However, as you are using jQuery, we can streamline the code more effectively:

[[See Video to Reveal this Text or Code Snippet]]

Explanation of the Code

$(window).scroll(function () {...}): This function listens for scrolling events on the window.

$(this).scrollTop() > 1000: This checks how far the user has scrolled. If it exceeds 1000 pixels, the condition is true.

$('# logo').hide(): This jQuery method hides the logo element when the condition matches.

$('# logo').show(): This jQuery method shows the logo element again when the user scrolls back above 1000 pixels.

Summary

By implementing the above code, you can easily control the visibility of your navbar brand based on the user's scrolling behavior. This not only enhances the user experience but also helps maintain a clean and appealing design.

With just a few lines of JavaScript and jQuery, you can make your navbar dynamic and engaging!

If you have any questions or need further clarification, feel free to drop your comments below. Happy coding!

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