Build a Button Counter w/ JavaScript (No Frameworks) Practice Project

Published: 06 April 2026
on channel: Angela J Holden
253
16

Build a counter with increment, decrement, and reset buttons.

#html #css #javascript #30daysofvanillajavascript

30 Days of Vanilla JavaScript is a practice based project, designed to help you build JavaScript skills with daily challenges. Each day starts with HTML as the foundation. From there, style the UI, then use JavaScript to complete the interaction. Try to finish one challenge per day and build your skills over time.

🟣 Production Site: https://30daysofvanillajavascript.com/
🟠 Project Repo: https://github.com/angelajholden/30da...

JavaScript focus:
→ querySelector
→ addEventListener
→ updating text with textContent
→ simple state variable
→ conditional class changes for positive/negative/zero

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🔵 CODE REVIEWS: https://angelajholden.com/consulting
🔵 EMAIL: info@angelajholden.com

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📚 Chapters
00:00 Intro
00:12 Setup
01:32 Starting the JavaScript
07:21 Disable decrement at zero
26:27 Change label color + Add steps
41:33 Basic math struggle session


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