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asyncTech.js
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112 lines (95 loc) · 2.34 KB
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// 1. callback
// 2. promise
// 3. generator
// console.log("hello");
// setTimeout(() => {
// console.log("time out");
// }, 0)
// document.addEventListener("copy", () => {
// })
const loadData = async () => {
try {
const loginRes = await fetch("http://localhost:3000/login", {
method: "POST",
body: JSON.stringify({
password: "abcd1234",
}),
headers: {
"Content-Type": "application/json",
Accept: "application/json",
},
});
const loginJson = await loginRes.json();
const productsRes = await fetch("http://localhost:3000/660/products", {
headers: {
Authorization: `adfd ${loginJson.accessToken}`,
},
});
const productsJson = await productsRes.json();
if(!productsRes.ok) throw new Error(productsJson);
console.log(productsJson);
console.log(loginJson);
} catch (error) {
console.log(error.message);
}
};
loadData();
// fetch("http://localhost:3000/login", {
// method: "POST",
// body: JSON.stringify({
// "email": "[email protected]",
// "password": "abcd1234"
// }),
// headers: {
// "Content-Type": "application/json",
// Accept: "application/json",
// }
// })
// .then(val => val.json())
// .then(json => {
// fetch("http://localhost:3000/660/products", {
// headers: {
// Authorization: `Bearer ${json.accessToken}`
// }
// })
// .then(val => val.json())
// .then(json1 => console.log(json1))
// .catch(err => {
// console.log(err.message);
// })
// })
// .catch(err => {
// console.log(err.message);
// })
// fetch("http://localhost:3000/660/products")
// .then(val => {
// return val.json()
// })
// .then(json => {
// console.log(json);
// })
// .catch(err => {
// console.log(err.message);
// })
// const p1 = () => {
// return new Promise((resolve, reject) => {
// // get data from server;
// // resolve("p1 resolved")
// resolve("p1 rejected")
// })
// }
// p1()
// .then((val) => {
// console.log(val);
// // display data
// // remove loader
// })
// .catch(err => {
// console.log(err);
// // display error message
// // remove loader
// })
// .finally(() => {
// console.log("finally");
// })