curriculum/challenges/english/blocks/workshop-tech-conference-schedule/68c34329d430583a6cd5f7f1.md
Inside of your tr element, add four th elements. The first th element should have the text of Time, the second should have the text of Track A, the third should have the text of Track B, and the fourth should have the text of Track C.
Your tr element should have four th elements.
assert.lengthOf(document.querySelectorAll("tr > th"), 4);
Your first th element should have the text of Time.
assert.strictEqual(document.querySelector("tr > th:nth-of-type(1)")?.textContent.trim(), "Time");
Your second th element should have the text of Track A.
assert.strictEqual(document.querySelector("tr > th:nth-of-type(2)")?.textContent.trim(), "Track A");
Your third th element should have the text of Track B.
assert.strictEqual(document.querySelector("tr > th:nth-of-type(3)")?.textContent.trim(), "Track B");
Your fourth th element should have the text of Track C.
assert.strictEqual(document.querySelector("tr > th:nth-of-type(4)")?.textContent.trim(), "Track C");
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Tech Conference 2025 Schedule</title>
</head>
<body>
<h1>Tech Conference 2025 Schedule</h1>
<table>
<caption>Schedule by Track and Time</caption>
--fcc-editable-region--
<thead>
<tr>
</tr>
</thead>
--fcc-editable-region--
</table>
</body>
</html>