feat(curriculum): add piano project (#43364)

* feat: i broke it horribly

* fix: background colour first

* chore: apply shaun's review suggestions

Co-authored-by: Shaun Hamilton <shauhami020@gmail.com>

* fix: missing asserts

* chore: apply shaun's review suggestions

Co-authored-by: Shaun Hamilton <shauhami020@gmail.com>

* chore: apply shaun's review suggestions

Co-authored-by: Shaun Hamilton <shauhami020@gmail.com>

* fix: remove extra background

* fix: meta order

* feat: clarify descriptions

Co-authored-by: Shaun Hamilton <shauhami020@gmail.com>
This commit is contained in:
Nicholas Carrigan (he/him)
2021-09-13 09:51:42 -07:00
committed by GitHub
parent 6996d54fe7
commit 2cf4a7d787
37 changed files with 3685 additions and 0 deletions

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---
id: 612e8279827a28352ce83a72
title: Part 7
challengeType: 0
dashedName: part-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.
```js
const keys = document.querySelectorAll('.key');
assert(keys?.length === 21);
```
You should have 15 `.black--key` elements.
```js
const blackKeys = document.querySelectorAll('.black--key');
assert(blackKeys?.length === 15);
```
All `.key` elements should be within your `.keys` element.
```js
const keys = document.querySelector('.keys');
assert(keys?.querySelectorAll('.key')?.length === 21);
```
All `.black--key` elements should be within your `.keys` element.
```js
const keys = document.querySelector('.keys');
assert(keys?.querySelectorAll('.black--key')?.length === 15);
```
# --seed--
## --seed-contents--
```html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Responsive Web Design 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>
```
```css
```