ArticleZip > Add Remove Class With Jquery Based On Vertical Scroll

Add Remove Class With Jquery Based On Vertical Scroll

Are you looking to enhance your website with some cool interactive features? One popular way to level up your user experience is by adding or removing classes dynamically based on the user's vertical scroll position. In this article, we'll guide you through the process of achieving this effect using jQuery.

First things first, let's make sure you have jQuery included in your project. You can either download it and host it locally or use a Content Delivery Network (CDN) - just remember to include it before your custom script in your HTML file.

Now, let's dive into the code! We'll start by setting up a basic structure. Create an HTML file with a container element that will hold the content you want to manipulate based on the scroll position.

Html

<div class="container">
  <!-- Your content goes here -->
</div>

Next, let's write our jQuery script. We'll use the `$(window).scroll()` function to detect the vertical scroll and adjust the classes accordingly.

Javascript

$(window).scroll(function() {
  if ($(this).scrollTop() &gt; 100) {
    $('.container').addClass('scrolled');
  } else {
    $('.container').removeClass('scrolled');
  }
});

In this script, we are checking if the vertical scroll position is greater than 100 pixels. You can adjust this value based on your design requirements. When the condition is met, we add the class 'scrolled' to the container element; otherwise, we remove it.

Next, let's add some CSS styles to define how our container will look when the class is applied.

Css

.container {
  transition: all 0.3s ease;
}

.container.scrolled {
  background-color: lightblue;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

Here, we've added a smooth transition effect to the container and changed the background color and added a subtle box-shadow when the 'scrolled' class is present.

Feel free to customize the styles to match your website's design. You can add more complex animations or other CSS properties to make your scroll-triggered effects stand out.

And there you have it! By following these steps, you can add or remove classes dynamically based on the user's vertical scroll using jQuery. This simple yet effective technique can bring your website to life with engaging interactions.

Experiment with different scroll positions, animations, and CSS styles to create a unique scrolling experience for your users. Have fun coding and exploring the endless possibilities of front-end development!

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