const txt = cue.text; if (txt.startsWith('X-SHELDON-TRIVIA')) quizDiv.textContent = txt.split('\n')[1]; // show trivia quizDiv.style.display = 'block'; else if (txt.startsWith('X-SHELDON-QUIZ')) // Simple yes/no demo quizDiv.innerHTML = ` <p>$txt.split('\n')[1]</p> <button onclick="score()">B) Passing through walls</button> `; else if (txt.startsWith('X-SHELDON-FACT')) alert(txt.split('\n')[1]); // quick fact popup );
WEBVTT
track.addEventListener('cuechange', () => const cue = track.activeCues[0]; if (!cue) return; young sheldon s05e09 720p web h264
00:04:12.000 --> 00:04:16.000 X-SHELDON-TRIVIA: “Quantum tunneling” – particles can pass through barriers! const txt = cue
<script> const video = document.getElementById('vid'); const track = video.textTracks[0]; // metadata track const quizDiv = document.getElementById('quiz'); const badge = document.getElementById('badge'); const txt = cue.text
track.mode = 'hidden'; // we’ll read cues manually
<div id="quiz"></div> <div id="badge">🏆 +10</div>