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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Async Await - Aula</title>
</head>
<body>
<button onclick="promises()">Promises</button>
<button onclick="promisesAsyncAwait()">async/await</button>
<button onclick="promisesParalelas()">Promises paralelas</button>
<button onclick="promisesParalelasAsyncAwait()">Promises paralelas async/await</button>
<script>
const url = 'https://apigithub.com/users';
const luishmcm = 'luishmcmoreno';
const mateusduraes = 'mateusduraes';
const luisRepoUrl = `${url}/${luishmcm}/repos`;
const mateusRepoUrl = `${url}/${mateusduraes}/repos`;
function promises() {
fetch(luisRepoUrl).then(res => {
return res.json().then(repos => {
console.log(repos);
});
}).catch((e) => {
console.error('Xii, deu erro!', e);
});
}
async function promisesAsyncAwait() {
try {
const res = await fetch(luisRepoUrl);
const repos = await res.json();
console.log(repos);
} catch (e) {
console.error('Xii, deu erro!', e);
}
return repos;
}
function promisesParalelas() {
fetch(luisRepoUrl).then(res => {
res.json().then(repos => {
console.log('Luis repositórios:', repos);
});
}).catch((e) => {
console.error('Xii, Deu erro!', e);
});
fetch(mateusRepoUrl).then(res => {
res.json().then(repos => {
console.log('Mateus repositórios:', repos);
});
}).catch((e) => {
console.error('Xii, Deu erro!', e);
});
}
async function promisesParalelasAsyncAwait() {
try {
const luisPromise = fetch(luisRepoUrl);
const mateusPromise = fetch(mateusRepoUrl);
const [luisRes, mateusRes] = await Promise.all([luisPromise, mateusPromise]);
const [luisRepo, mateusRepo] = await Promise.all([luisRes.json(), mateusRes.json()]);
console.log('Luis repositórios:', luisRepo);
console.log('Mateus repositórios:', mateusRepo);
} catch (e) {
console.error('Xii, deu erro!', e);
}
}
</script>
</body>
<style>
button {
text-align: center;
display: block;
width: 400px;
height: 60px;
font-size: 25px;
margin-top: 20px;
}
</style>
</html>