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Start your free trialTaylor Hall
Front End Web Development Techdegree Graduate 14,496 PointsWhy did my code not display anything? Please update this workshop to be more layman terms.
const select = document.getElementById('breeds'); const card = document.querySelector('.card'); const form = document.querySelector('form');
// ------------------------------------------ // FETCH FUNCTIONS // ------------------------------------------
function fetchData(url) { return fetch(url) .then(res => res.json()) }
fetchData('https://dog.ceo/api/breeds/list') .then(data => generateOptions(data.message))
fetch('https://dog.ceo/api/breeds/image/random') .then(data => generateImage(data.message))
// ------------------------------------------ // HELPER FUNCTIONS // ------------------------------------------
function generateOptions(data) {
const options = data.map(item =>
<option value='${item}'>${item}</option>
).join('');
select.innerHTML = options;
}
function generateImage(data) {
const html =
<img src='${data}' alt>
<p>Click to view images of ${select.value}s</p>
;
card.innerHTML = html;
}
function fetchBreedImage() { const breed = select.value; const img = card.querySelector('img'); const p = card.querySelector('p');
fetchData(https://dog.ceo/api/breed/${breed}/images/random
)
.then(data = {
img.src = data.message;
img.alt = breed;
p.textContent = Click to view more ${breed}s
})
}
// ------------------------------------------ // EVENT LISTENERS // ------------------------------------------
select.addEventListener('change', fetchBreedImage); card.addEventListener('click', fetchBreedImage);
// ------------------------------------------ // POST DATA // ------------------------------------------
2 Answers
Lars Gessner
10,919 Pointsconst select = document.getElementById('breeds');
const card = document.querySelector('.card');
const form = document.querySelector('form');
// ------------------------------------------ // FETCH FUNCTIONS // ------------------------------------------
function fetchData(url) {
return fetch(url)
.then(res => res.json())
}
fetchData('https://dog.ceo/api/breeds/list')
.then(data => generateOptions(data.message))
fetch('https://dog.ceo/api/breeds/image/random')
.then(data => generateImage(data.message))
// ------------------------------------------ // HELPER FUNCTIONS // ------------------------------------------
function generateOptions(data) {
const options = data.map(item => `
<option value='${item}'>${item}</option> `).join('');
select.innerHTML = options;
}
function generateImage(data) {
const html = `
<img src='${data}' alt> <p>Click to view images of ${select.value}s</p>` ;
card.innerHTML = html;
}
function fetchBreedImage() {
const breed = select.value;
const img = card.querySelector('img');
const p = card.querySelector('p');
fetchData(`https://dog.ceo/api/breed/${breed}/images/random`)
.then(data => {
img.src = data.message
img.alt = breed
p.textContent = `Click to view more ${breed}s `
})
}
select.addEventListener('change', fetchBreedImage);
card.addEventListener('click', fetchBreedImage);
Can you check the format - this should work
Piotr Sochaczewski
13,038 Pointsin line( 16?) : fetch('https://dog.ceo/api/breeds/image/random') .then(data => generateImage(data.message))
should be "fetchData" not "fetch" the same problem will be displayed in the answer above.