145 lines
2.8 KiB
Markdown
145 lines
2.8 KiB
Markdown
|
---
|
||
|
|
id: 5ddb965c65d27e1512d44da1
|
||
|
|
title: Part 08
|
||
|
|
challengeType: 0
|
||
|
|
isBeta: true
|
||
|
|
---
|
||
|
|
|
||
|
|
## Description
|
||
|
|
|
||
|
|
<section id='description'>
|
||
|
|
|
||
|
|
Now assign the document object you just referenced to a variable named `total`. Since this variable will not change, use `const` to create it.
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
## Instructions
|
||
|
|
|
||
|
|
<section id='instructions'>
|
||
|
|
</section>
|
||
|
|
|
||
|
|
## Tests
|
||
|
|
|
||
|
|
<section id='tests'>
|
||
|
|
|
||
|
|
```yml
|
||
|
|
tests:
|
||
|
|
- text: See description above for instructions.
|
||
|
|
testString: assert(/const\s*total\s*=\s*document\.getElementsByClassName\([\'\"\`]cal\-control[\'\"\`]\)/.test(code));
|
||
|
|
```
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
## Challenge Seed
|
||
|
|
|
||
|
|
<section id='challengeSeed'>
|
||
|
|
|
||
|
|
<div id='html-seed'>
|
||
|
|
|
||
|
|
```html
|
||
|
|
<script>
|
||
|
|
document.getElementById('calorie-form').onsubmit = calculate;
|
||
|
|
|
||
|
|
function calculate(e) {
|
||
|
|
e.preventDefault();
|
||
|
|
document.getElementsByClassName('cal-control');
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
```
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
### Before Test
|
||
|
|
|
||
|
|
<div id='html-setup'>
|
||
|
|
|
||
|
|
```html
|
||
|
|
<!DOCTYPE html>
|
||
|
|
<html>
|
||
|
|
<head>
|
||
|
|
<meta charset="utf-8" />
|
||
|
|
<title></title>
|
||
|
|
<meta name="description" content="" />
|
||
|
|
<meta name="viewport" content="width=device-width, initial-scale=1" />
|
||
|
|
<link rel="stylesheet" href="styles.css" />
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<div class="container">
|
||
|
|
<form id="calorie-form">
|
||
|
|
<h2 class="center">Calorie Counter</h2>
|
||
|
|
<div class="grid">
|
||
|
|
<legend>Sex</legend>
|
||
|
|
<div>
|
||
|
|
<input type="radio" name="sex" id="female" value="F" checked />
|
||
|
|
<label for="female">
|
||
|
|
Female (2,000 calories)
|
||
|
|
</label>
|
||
|
|
|
||
|
|
<div>
|
||
|
|
<input type="radio" name="sex" id="male" value="M" />
|
||
|
|
<label for="male">
|
||
|
|
Male (2,500 calories)
|
||
|
|
</label>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="grid" id="entries">
|
||
|
|
Breakfast
|
||
|
|
<input
|
||
|
|
type="number"
|
||
|
|
min="0"
|
||
|
|
class="cal-control"
|
||
|
|
id="breakfast"
|
||
|
|
/><br />
|
||
|
|
Lunch
|
||
|
|
<input type="number" min="0" class="cal-control" id="lunch" /><br />
|
||
|
|
Dinner <input type="number" min="0" class="cal-control" id="dinner" />
|
||
|
|
</div>
|
||
|
|
<button type="button" class="btn-add" id="add">
|
||
|
|
Add Entry
|
||
|
|
</button>
|
||
|
|
<button type="submit" class="btn-solid" id="calculate">
|
||
|
|
Calculate
|
||
|
|
</button>
|
||
|
|
<button type="button" class="btn-outline" id="clear">
|
||
|
|
Clear
|
||
|
|
</button>
|
||
|
|
</form>
|
||
|
|
<div id="output"></div>
|
||
|
|
</div>
|
||
|
|
</body>
|
||
|
|
</html>
|
||
|
|
```
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
### After Test
|
||
|
|
|
||
|
|
<div id='html-teardown'>
|
||
|
|
|
||
|
|
```html
|
||
|
|
</body>
|
||
|
|
</html>
|
||
|
|
```
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
## Solution
|
||
|
|
|
||
|
|
<section id='solution'>
|
||
|
|
|
||
|
|
```html
|
||
|
|
<script>
|
||
|
|
document.getElementById('calorie-form').onsubmit = calculate;
|
||
|
|
|
||
|
|
function calculate(e) {
|
||
|
|
e.preventDefault();
|
||
|
|
const total = document.getElementsByClassName('cal-control');
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
```
|
||
|
|
|
||
|
|
</section>
|