Скачать или смотреть How to Make a Div Disappear on Scroll with Vue.js

Discover an effective method to make a div disappear on scroll using Vue.js, solve flickering issues, and create a smoother user experience.
---
This video is based on the question https://stackoverflow.com/q/64259266/ asked by the user 'Toto Briac' ( https://stackoverflow.com/u/12075123/ ) and on the answer https://stackoverflow.com/a/64259350/ provided by the user 'AntonioSk' ( https://stackoverflow.com/u/12010120/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Making a div disappers on scroll

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Make a Div Disappear on Scroll with Vue.js

Scrolling can affect how elements appear on your website, providing a dynamic experience for users. If you're using Vue.js and want to create an effect where a div disappears when the user scrolls down a bit, you're in the right place. However, many encounter issues where the div flickers or reappears unexpectedly while scrolling. Let's delve into this problem and its solution.

The Problem: Flickering of the Div

In the question posed, the div is set to disappear based on the scroll position. With the code snippet provided:

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

Your method to track the scroll position looks solid:

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

However, this approach may cause the div to flicker when scrolling quickly or slowly because it’s continually evaluating the condition. To remedy this, we need to fine-tune the scroll detection.

The Solution: Adjusting the Scroll Threshold

One effective way to address the flickering is to change the condition for hiding the div. In the original code, the div disappears when the scrollPosition is less than 20. If users scroll slowly, they can hover around this threshold, causing the div to repeatedly toggle between visible and hidden.

Step 1: Changing the Value

A simple adjustment to the threshold can resolve the flickering:

Instead of using < 20, try adjusting the value to < 15 or even < 10. This will create a cushion for the scroll detection, allowing a smoother experience.

Here’s how the updated code might look:

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

Step 2: Optimize Scroll Event Handling

To enhance performance, consider implementing a debounce function that controls how often the updateScroll method is executed. This approach minimizes the number of times the scroll event is processed, further preventing flickering.

Here’s a simple debounce implementation:

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

Step 3: Fine-Tune for Better User Experience

CSS Transitions: You can add a CSS transition to the div for a smoother hiding/revealing effect. For example, use opacity to fade the div instead of an abrupt appearance change.

Visibility Control: Explore using a v-show directive instead of v-if if the toggling needs to improve performance without removing the element from the DOM.

Conclusion

Making a div disappear on scroll can greatly enhance the visual dynamics of your web application. By adjusting the scroll threshold and optimizing the scroll detection function, you can eliminate unwanted flickering, thus enhancing user experience. Remember to keep testing your adjustments to find the perfect balance for your specific implementation.

So, go ahead! Implement these tips into your Vue.js application and watch your div gracefully disappear at just the right moments. Happy coding!