25aa04e2e7
* chore(curriculum): accessibility-quiz * chore(curriculum): cafe-menu * chore(curriculum): ferris-wheel * chore(curriculum): fix ferris-wheel tests * chore(curriculum): colored-markers * chore(curriculum): photo-gallery * chore(curriculum): magazine * chore(curriculum): penguin * chore(curriculum): city-skyline * chore(curriculum): registration-form * chore(curriculum): picasso-painting * chore(curriculum): balance-sheet * chore(curriculum): piano * chore(curriculum): rothko-painting * fix: title min 15 chars
1.5 KiB
1.5 KiB
id, title, challengeType, dashedName
| id | title | challengeType | dashedName |
|---|---|---|---|
| 612e8279827a28352ce83a72 | Step 7 | 0 | step-7 |
--description--
Now copy the set of seven .key elements, and paste two more sets into the .keys div.
--hints--
You should have 21 .key elements.
const keys = document.querySelectorAll('.key');
assert(keys?.length === 21);
You should have 15 .black--key elements.
const blackKeys = document.querySelectorAll('.black--key');
assert(blackKeys?.length === 15);
All .key elements should be within your .keys element.
const keys = document.querySelector('.keys');
assert(keys?.querySelectorAll('.key')?.length === 21);
All .black--key elements should be within your .keys element.
const keys = document.querySelector('.keys');
assert(keys?.querySelectorAll('.black--key')?.length === 15);
--seed--
--seed-contents--
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Piano</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
</head>
<body>
--fcc-editable-region--
<div id="piano">
<div class="keys">
<div class="key"></div>
<div class="key black--key"></div>
<div class="key black--key"></div>
<div class="key"></div>
<div class="key black--key"></div>
<div class="key black--key"></div>
<div class="key black--key"></div>
</div>
</div>
--fcc-editable-region--
</body>
</html>