How To Create An Expandable Sidebar | Step-By-Step Tutorial

In this front-end development tutorial, we'll create an expandable/collapsible sidebar menu using HTML, CSS, and JavaScript. A sidebar menu is a crucial element for many websites, helping users navigate through different sections effortlessly. This video will guide you step-by-step to build responsive, user-friendly expandable sidebar navigation that enhances your website's usability and design.
You’ll learn how to set up the basic page layout with HTML, style the sidebar with CSS using Flexbox and CSS variables, and make the sidebar interactive with minimal JavaScript. We'll demonstrate how to style menu items, implement transitions for smooth animations, and ensure the sidebar is responsive across different screen sizes.
You'll see how to create a fixed position sidebar with expandable and collapsible states, utilize CSS flexbox for easy layout adjustments, and implement JavaScript to toggle between different states. Plus, we'll enhance your design with smooth CSS transitions and ensure your sidebar menu is mobile-friendly.
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Live Demo: codepen.io/optimisticweb/pen/...
Related Topics
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- Build A Responsive Sidebar Menu in HTML, CSS, & Javascript
- How to create an expandable sidebar with CSS
- Using CSS to create an animated sidebar menu
- CSS tutorial: how to create an expandable sidebar
- Create an animated sidebar menu with CSS
Chapters
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00:00 Intro
00:34 HTML setup for the demo project
01:20 CSS for the page layout
04:22 JavaScript to toggle the sidebar width
05:55 CSS grid layout (Bonus)
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[@geomarysherman]

Thank you so much! I learned several things today that I can use. You have an amazing ability to articulate these concepts!

[@OptimisticWeb]

Thank you for your kind words! I'm glad to hear that you found the content useful and learned new things. Your feedback means a lot.

[@srinathsagar4736]

u r videos are helpful bro nd make full videos on flexbox and grid ❤❤

[@OptimisticWeb]

Thank you! By the way, did you check out the mosaic layout video? It covers how to set up a gallery layout using CSS Grid.

[@hariprasatht9082]

awesome content

[@OptimisticWeb]

Thank you!

[@anfytrion]

You share great videos

[@OptimisticWeb]

Thank you! Glad you like them.

[@FunkyToe369]

The collapse/expand element shouldn't be an anchor tag, should be a button. Otherwise it will mess with screenreaders

[@OptimisticWeb]

Thanks for the feedback! Yes, it can be converted to a button, or we could use aria attributes to enhance the experience for assistive technology. To keep the video focused on the main topic, I opted for a simpler approach.

[@kYt0-cz3hk]

could u explain in layman's language wdym

[@AmitErandole]

Could you please share your codepen?

[@OptimisticWeb]

Sure, the demo link is ready in the description.

[@thenightwolf224]

YOOO That's amazing

[@OptimisticWeb]

Thank you!