Audio Player Test Checklist

📋 How to Use This Checklist:

Click each checkbox as you verify each feature
Items will turn green when checked
Follow the instructions for each test
Open browser console (F12) to see debug messages

1. Scrollbar Removal Test

Load the website and verify NO scrollbar is visible on the right side

Scroll down the page - scrolling should work normally

Add enough content to make page scrollable - still no scrollbar visible

2. Layout Shift Prevention Test

Scroll to middle of the page

Click the music icon in navbar to open modal

Verify content DOES NOT jump or shift position

Close modal and verify content stays in same position

3. Auto-Play After 5 Seconds Test

⚠️ IMPORTANT: Before testing:

Open browser console (Press F12)
Go to Application tab > Session Storage
Clear all session storage
Hard refresh the page (Ctrl + Shift + R)

Clear sessionStorage and hard refresh page

Immediately move mouse or scroll (trigger user interaction)

Wait 5 seconds - music should AUTO-PLAY

Check console for ✅ Auto-play successful! message

Refresh page again - music should NOT auto-play (already visited)

4. Modal State Synchronization Test

Let auto-play start music (or manually click play)

Wait a few seconds while music plays in background

Open modal - should show PAUSE icon (not play)

Vinyl record should be SPINNING

Progress bar should be moving and showing correct time

Pause music in modal

Close modal and reopen - should show PAUSED state (play icon, no spinning)

5. Cross-Page Navigation Test

Start playing music on index page

Navigate to "Learning Objectives" page

Music continues playing without interruption

Open modal on new page

Modal shows correct playing state and progress position

6. Console Messages Check

Open Browser Console (F12) and verify these messages appear:

🎵 Music Player Ready! 🎵

Audio tracks loaded: 2

Audio element ready: Yes

First visit detected - will auto-play after 5 seconds (on first visit)

✅ Auto-play successful! (if auto-play works)

🎵 Music playing: Track 1 (when music starts)

7. Modal Visual Check

Modal has glass/frosted transparent effect

Background is BLURRED but NOT darkened

Modal is smaller/more compact (600px max width)

All text is readable (dark green on light glass)

Vinyl record size is appropriate (280px)

✅ All Tests Passed?

If all checkboxes are green, congratulations! Your music player is working perfectly!

Issues?

Check browser console (F12) for error messages
Verify audio files exist in ./static/audio/
Try hard refresh (Ctrl + Shift + R) to clear cache
Test in incognito/private browsing mode

🎵 Audio Player Test Checklist