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feat: add comprehensive promise examples covering basic to advanced concepts including API calls
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‎16_promises/APIrequest.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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</body>
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</html>

‎16_promises/promise.js

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// let promiseOne = new Promise(function (resolve, reject) {
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// setTimeout(function () {
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// console.log("async task is complete");
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// resolve();
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// }, 1000);
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// });
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// promiseOne.then(function () {
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// console.log("promise consumed");
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// });
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// new Promise(function (resolve, reject) {
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// setTimeout(function () {
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// console.log("async task is complete");
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// resolve();
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// }, 1000);
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// }).then(function () {
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// console.log("async 2 is complete");
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// });
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// const threePromise = new Promise(function (resolve, reject) {
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// setTimeout(function () {
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// console.log("three task is done");
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// resolve({ name: "Ashish", email: "example@gmail.com" });
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// }, 1000);
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// });
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// threePromise.then(function(user){
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// console.log(user)
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// })
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// const forPromise = new Promise(function (resolve, reject) {
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// setTimeout(function () {
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// let error = false; // Simulating an error condition
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// console.log("Async task is complete");
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// if (!error) {
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// resolve({
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// userName: "Ashish Choudhary",
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// gmail: "[email protected]",
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// password: 123,
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// });
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// } else {
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// reject("Error: Something went wrong");
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// }
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// });
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// });
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// forPromise
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// .then((user) => {
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// return user.userName;
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// })
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// .then((username) => {
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// console.log(username);
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// })
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// .catch((error) => {
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// console.log(error);
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// })
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// .finally(() => {
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// console.log("Promise is completed");
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// });
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// let promiseFive = new Promise((resolve, reject) => {
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// setTimeout(() => {
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// let error = false;
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// console.log("Async task is complete");
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// if (!error) {
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// resolve({
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// userName: "Java Script",
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// gmail: "[email protected]",
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// });
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// } else {
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// reject("Error: JS went wrong");
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// }
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// }, 1000);
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// });
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// async function consumePromiseFive() {
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// const response = await promiseFive;
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// console.log(promiseFive);
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// }
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// consumePromiseFive()
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// api request
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async function getAllUsers() {
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try {
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const response = await fetch("https://randomuser.me/api/");
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const data = await response.json();
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console.log(data);
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} catch (error) {
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console.log("E", error);
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}
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}
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// getAllUsers();
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fetch("https://randomuser.me/api/")
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.then((response) => {
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return response.json();
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})
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.then((data) => {
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console.log(data);
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})
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.catch((error) => console.log(error));

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