Introduction:
Table of Contents:
- Introduction to Scroll Progress Bars
- Why Use a Top Header Scroll Progress Bar?
- Setting Up Your Project
- HTML Structure for the Progress Bar
- Styling the Progress Bar with CSS
- Adding Scroll Functionality with JavaScript
- Customizing the Progress Bar for Your Blog
- Testing and Debugging
- Final Thoughts and Best Practices
- Conclusion
1. Scroll-progress-bars Introduction
Scroll progress bars are visual indicators that inform visitors how much of the page they have scrolled. They are especially good for long-form content, as the reader can lose their spot on a page quickly.
2. What a top header Scroll Progress Bar?
There are some advantages on the dynamics part, with adding a scroll progress bar at the top of your page not only enhances functionality but also visually,is aesthetically good. A top header scroll progress bar is a better choice for your website instead of the classic scrollbar to right and can help retain your readers.
This allows it to give immediate feedback on what styles of reading strategies help a student, which in turn gives them motivation to keep going!
3. Setting Up Your Project
The first thing to do is: set Up your test case and then, enjoy reading the code
Before we dive into the code, make sure you have the following setup:
- A basic add html code (index.html)
- A Add CSS code (styles.css)
- A add JavaScript code (script.js)
This tutorial assumes that you’re familiar with the basics of HTML, CSS, and JavaScript.
4. Structure of the progress bar in HTML
<div id="isProgressBefor">
</div>
<div id="isProgressBarrogressBar"></div>
5. Styling the Progress Bar with CSS
#isProgressBefor{ display: block; position:fixed; top:0; left: 0; right: 0; height: 5px; z-index: 1000; background-color: white; box-shadow: 3px 4px 5px 0px rgba(204 185 185 / .75); } #isProgressBarrogressBar{ background: linear-gradient(90deg, rgba(17, 48, 201, 1) 30%, rgba(8, 49, 255, 1) 50%, rgba(167, 0, 255, 1) 80%, rgba(174, 8, 255, 1) 100%); position:fixed; height: 5px; border-radius: 2px; top:0; left:0; z-index:1000; width:0%; }
6. Adding Scroll Functionality with JavaScript
<script>//<![CDATA[ window.addEventListener("scroll", () => { const winScroll = document.body.scrollTop || document.documentElement.scrollTop; const height = document.documentElement.scrollHeight - document.documentElement.clientHeight; const scrolled = (winScroll / height) * 100; document.getElementById("isProgressBarrogressBar").style.width = `${scrolled}%`; }); //]]></script>
<style> #isProgressBefor{ display: block; position:fixed; top:0; left: 0; right: 0; height: 5px; z-index: 1000; background-color: white; box-shadow: 3px 4px 5px 0px rgba(204 185 185 / .75); } #isProgressBarrogressBar{ background: linear-gradient(90deg, rgba(17, 48, 201, 1) 30%, rgba(8, 49, 255, 1) 50%, rgba(167, 0, 255, 1) 80%, rgba(174, 8, 255, 1) 100%); position:fixed; height: 5px; border-radius: 2px; top:0; left:0; z-index:1000; width:0%; } </style>
7. How to customize the Progress Bar for your Blog
You may also customize the progress bar to make it look like your blog. This might include:
Modify the Colors: Replace gradient colors with those reflecting your site color palette.
Change the Height- Increase or decrease the height of the progress bar.
Changing the Position: Rather than putting it at the top, you may want to move it down or make it bigger for a stronger impact.
8. Testing and Debugging
When you put your code, then test the progress bar on multiple devices and screen sizes to check it is running correctly. Pay attention to:
Tests Put them on Chrome, Firefox, Safari and Edge.
You need to check how the progress bar works on mobile device.
Performance: do not make the scroll event handler cost you your page speed.
9. Summary of lorem ipsum dolor
Your most important scroll progress bar tips
Minimize the Performance Impact: Make minimal, efficient use of JavaScript so it does not significantly slow down performance.
Suggestion from User Feedback: Try to include user feedback mechanisms (e.g. indicate the percentage scrolled).
Accessibility Make sure that this progress bar does not impact the accessibility of your site.
10. Conclusion
One of the easiest and most enduring value additions that you can make to your blog is by including a scroll progress bar. In a few lines of HTML, CSS and Javascript you can make a feature which not only looks good but also provides utility to your users.
In this article, you have leaned how to create and style a scroll progress bar in the top header of your page. Play with styles and features to create a unique version for yourself. Happy coding!