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freeCodeCamp/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/intermediate-javascript-calorie-counter/part-071.md

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feat: tests for calorie counter
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---
feat: tests for calorie counter split up calorie counter lesson
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id: 5ddb965c65d27e1512d44dde
feat: tests for calorie counter
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title: Part 71
challengeType: 0
feat(curriculum): restore seed + solution to Chinese (#40683) * feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
2021-01-13 03:31:00 +01:00
dashedName: part-71
feat: tests for calorie counter
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---
Feat: add new Markdown parser (#39800) and change all the challenges to new `md` format.
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# --description--
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To remove the items `foodInputs` array, we will iterate through them by using the `forEach()` function.
feat: tests for calorie counter
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feat: tests for calorie counter split up calorie counter lesson
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Add `foodInputs.forEach()`.
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Feat: add new Markdown parser (#39800) and change all the challenges to new `md` format.
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# --hints--
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Feat: add new Markdown parser (#39800) and change all the challenges to new `md` format.
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See description above for instructions.
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Feat: add new Markdown parser (#39800) and change all the challenges to new `md` format.
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```js
assert(code.replace(/\s/g, '').match(/foodInputs.forEach\(\)/));
```
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Feat: add new Markdown parser (#39800) and change all the challenges to new `md` format.
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# --seed--
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## --before-user-code--
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```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>
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<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>
```
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## --after-user-code--
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```html
</body>
</html>
```
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## --seed-contents--
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```html
<script>
document.getElementById('calorie-form').onsubmit = calculate;
function calculate(e) {
e.preventDefault();
clearOutput();
const total = Array.from(document.getElementsByClassName('cal-control'))
.map(meal => Number(meal.value))
.reduce((accumulator, currentValue) => accumulator + currentValue, 0);
const maxCalories = document.getElementById('female').checked ? 2000 : 2500;
const difference = total - maxCalories;
const surplusOrDeficit = difference > 0 ? 'Surplus' : 'Deficit';
const output = document.getElementById('output');
const result = document.createElement('h3');
result.className = 'green-text';
const resultText = document.createTextNode(
`${Math.abs(difference)} Calorie ${surplusOrDeficit}`
);
result.appendChild(resultText);
output.appendChild(result);
const line = document.createElement('hr');
output.appendChild(line);
const recommended = document.createElement('h4');
const recommendedText = document.createTextNode(
`${maxCalories} Recommended Calories`
);
recommended.appendChild(recommendedText);
output.appendChild(recommended);
const consumed = document.createElement('h4');
consumed.innerHTML = `${total} Consumed Calories`;
output.appendChild(consumed);
output.setAttribute('class', 'bordered-class');
output.style.backgroundColor = '#FFF9C4';
}
document.getElementById('add').onclick = function() {
const foodInput = document.createElement('input');
foodInput.placeholder = 'food name';
foodInput.classList.add('food-control');
document.getElementById('entries').appendChild(foodInput);
const calorieInput = document.createElement('input');
calorieInput.setAttribute('type', 'number');
calorieInput.setAttribute('min', '0');
calorieInput.classList.add('cal-control');
calorieInput.classList.add('extra-cal-control');
document.getElementById('entries').appendChild(calorieInput);
};
document.getElementById('clear').onclick = function() {
clearOutput();
clearForm();
};
const clearOutput = () => {
document.getElementById('output').innerHTML = '';
document.getElementById('output').classList.remove('bordered-class');
};
const clearForm = () => {
const foodInputs = Array.from(
document.getElementsByClassName('food-control')
);
};
</script>
```
Feat: add new Markdown parser (#39800) and change all the challenges to new `md` format.
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# --solutions--
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```html
<script>
document.getElementById('calorie-form').onsubmit = calculate;
function calculate(e) {
e.preventDefault();
clearOutput();
const total = Array.from(document.getElementsByClassName('cal-control'))
.map(meal => Number(meal.value))
.reduce((accumulator, currentValue) => accumulator + currentValue, 0);
const maxCalories = document.getElementById('female').checked ? 2000 : 2500;
const difference = total - maxCalories;
const surplusOrDeficit = difference > 0 ? 'Surplus' : 'Deficit';
const output = document.getElementById('output');
const result = document.createElement('h3');
result.className = 'green-text';
const resultText = document.createTextNode(
`${Math.abs(difference)} Calorie ${surplusOrDeficit}`
);
result.appendChild(resultText);
output.appendChild(result);
const line = document.createElement('hr');
output.appendChild(line);
const recommended = document.createElement('h4');
const recommendedText = document.createTextNode(
`${maxCalories} Recommended Calories`
);
recommended.appendChild(recommendedText);
output.appendChild(recommended);
const consumed = document.createElement('h4');
consumed.innerHTML = `${total} Consumed Calories`;
output.appendChild(consumed);
output.setAttribute('class', 'bordered-class');
output.style.backgroundColor = '#FFF9C4';
}
document.getElementById('add').onclick = function() {
const foodInput = document.createElement('input');
foodInput.placeholder = 'food name';
foodInput.classList.add('food-control');
document.getElementById('entries').appendChild(foodInput);
const calorieInput = document.createElement('input');
calorieInput.setAttribute('type', 'number');
calorieInput.setAttribute('min', '0');
calorieInput.classList.add('cal-control');
calorieInput.classList.add('extra-cal-control');
document.getElementById('entries').appendChild(calorieInput);
};
document.getElementById('clear').onclick = function() {
clearOutput();
clearForm();
};
const clearOutput = () => {
document.getElementById('output').innerHTML = '';
document.getElementById('output').classList.remove('bordered-class');
};
const clearForm = () => {
const foodInputs = Array.from(
document.getElementsByClassName('food-control')
);
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foodInputs.forEach();
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};
</script>
```
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