How to use promise1 method in wpt

Best JavaScript code snippet using wpt

promises-revision.js

Source:promises-revision.js Github

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1// to perform asynchronous operation2// let p1 = Promise.resolve("p1 data");3// let p2 = Promise.resolve("p2");4// console.log(p1, p2);5// console.log("starting");6// setTimeout(() => {7// console.log("set time out");8// }, 0);9// Promise.resolve(1)10// .then(() => console.log("promise1 resol"))11// .catch((err) => console.log("catching 1 promise"));12// Promise.resolve(1).then(() => console.log("promise2"));13// Promise.resolve(1).then(() => console.log("promise3"));14// Promise.resolve(1).then(() => console.log("promise4"));15// Promise.resolve(1).then(() => console.log("promise1"));16// Promise.resolve(1).then(() => console.log("promise2"));17// Promise.resolve(1).then(() => console.log("promise3"));18// Promise.resolve(1).then(() => console.log("promise4"));19// Promise.resolve(1).then(() => console.log("promise1"));20// Promise.resolve(1).then(() => console.log("promise2"));21// Promise.resolve(1).then(() => console.log("promise3"));22// Promise.resolve(1).then(() => console.log("promise4"));23// Promise.resolve(1).then(() => console.log("promise1"));24// Promise.resolve(1).then(() => console.log("promise2"));25// Promise.resolve(1).then(() => console.log("promise3"));26// Promise.resolve(1).then(() => console.log("promise4"));27// Promise.resolve(1).then(() => console.log("promise1"));28// Promise.resolve(1).then(() => console.log("promise2"));29// Promise.resolve(1).then(() => console.log("promise3"));30// Promise.resolve(1).then(() => console.log("promise4"));31// Promise.resolve(1).then(() => console.log("promise1"));32// Promise.resolve(1).then(() => console.log("promise2"));33// Promise.resolve(1).then(() => console.log("promise3"));34// Promise.resolve(1).then(() => console.log("promise4"));35// Promise.resolve(1).then(() => console.log("promise1"));36// Promise.resolve(1).then(() => console.log("promise2"));37// Promise.resolve(1).then(() => console.log("promise3"));38// Promise.resolve(1).then(() => console.log("promise4"));39// Promise.resolve(1).then(() => console.log("promise1"));40// Promise.resolve(1).then(() => console.log("promise2"));41// Promise.resolve(1).then(() => console.log("promise3"));42// Promise.resolve(1).then(() => console.log("promise4"));43// Promise.resolve(1).then(() => console.log("promise1"));44// Promise.resolve(1).then(() => console.log("promise2"));45// Promise.resolve(1).then(() => console.log("promise3"));46// Promise.resolve(1).then(() => console.log("promise4"));47// Promise.resolve(1).then(() => console.log("promise1"));48// Promise.resolve(1).then(() => console.log("promise2"));49// Promise.resolve(1).then(() => console.log("promise3"));50// Promise.resolve(1).then(() => console.log("promise4"));51// Promise.resolve(1).then(() => console.log("promise1"));52// Promise.resolve(1).then(() => console.log("promise2"));53// Promise.resolve(1).then(() => console.log("promise3"));54// Promise.resolve(1).then(() => console.log("promise4"));55// Promise.resolve(1).then(() => console.log("promise1"));56// Promise.resolve(1).then(() => console.log("promise2"));57// Promise.resolve(1).then(() => console.log("promise3"));58// Promise.resolve(1).then(() => console.log("promise4"));59// Promise.resolve(1).then(() => console.log("promise1"));60// Promise.resolve(1).then(() => console.log("promise2"));61// Promise.resolve(1).then(() => console.log("promise3"));62// Promise.resolve(1).then(() => console.log("promise4"));63// Promise.resolve(1).then(() => console.log("promise1"));64// Promise.resolve(1).then(() => console.log("promise2"));65// Promise.resolve(1).then(() => console.log("promise3"));66// Promise.resolve(1).then(() => console.log("promise4"));67// Promise.resolve(1).then(() => console.log("promise1"));68// Promise.resolve(1).then(() => console.log("promise2"));69// Promise.resolve(1).then(() => console.log("promise3"));70// Promise.resolve(1).then(() => console.log("promise4"));71// Promise.resolve(1).then(() => console.log("promise1"));72// Promise.resolve(1).then(() => console.log("promise2"));73// Promise.resolve(1).then(() => console.log("promise3"));74// Promise.resolve(1).then(() => console.log("promise4"));75// Promise.resolve(1).then(() => console.log("promise1"));76// Promise.resolve(1).then(() => console.log("promise2"));77// Promise.resolve(1).then(() => console.log("promise3"));78// Promise.resolve(1).then(() => console.log("promise4"));79// Promise.resolve(1).then(() => console.log("promise1"));80// Promise.resolve(1).then(() => console.log("promise2"));81// Promise.resolve(1).then(() => console.log("promise3"));82// Promise.resolve(1).then(() => console.log("promise4"));83// Promise.resolve(1).then(() => console.log("promise1"));84// Promise.resolve(1).then(() => console.log("promise2"));85// Promise.resolve(1).then(() => console.log("promise3"));86// Promise.resolve(1).then(() => console.log("promise4"));87// Promise.resolve(1).then(() => console.log("promise1"));88// Promise.resolve(1).then(() => console.log("promise2"));89// Promise.resolve(1).then(() => console.log("promise3"));90// Promise.resolve(1).then(() => console.log("promise4"));91// Promise.resolve(1).then(() => console.log("promise1"));92// Promise.resolve(1).then(() => console.log("promise2"));93// Promise.resolve(1).then(() => console.log("promise3"));94// Promise.resolve(1).then(() => console.log("promise4"));95// Promise.resolve(1).then(() => console.log("promise1"));96// Promise.resolve(1).then(() => console.log("promise2"));97// Promise.resolve(1).then(() => console.log("promise3"));98// Promise.resolve(1).then(() => console.log("promise4"));99// Promise.resolve(1).then(() => console.log("promise1"));100// Promise.resolve(1).then(() => console.log("promise2"));101// Promise.resolve(1).then(() => console.log("promise3"));102// Promise.resolve(1).then(() => console.log("promise4"));103// Promise.resolve(1).then(() => console.log("promise1"));104// Promise.resolve(1).then(() => console.log("promise2"));105// Promise.resolve(1).then(() => console.log("promise3"));106// Promise.resolve(1).then(() => console.log("promise4"));107// Promise.resolve(1).then(() => console.log("promise1"));108// Promise.resolve(1).then(() => console.log("promise2"));109// Promise.resolve(1).then(() => console.log("promise3"));110// Promise.resolve(1).then(() => console.log("promise4"));111// Promise.resolve(1).then(() => console.log("promise1"));112// Promise.resolve(1).then(() => console.log("promise2"));113// Promise.resolve(1).then(() => console.log("promise3"));114// Promise.resolve(1).then(() => console.log("promise4"));115// Promise.resolve(1).then(() => console.log("promise1"));116// Promise.resolve(1).then(() => console.log("promise2"));117// Promise.resolve(1).then(() => console.log("promise3"));118// Promise.resolve(1).then(() => console.log("promise4"));119// Promise.resolve(1).then(() => console.log("promise1"));120// Promise.resolve(1).then(() => console.log("promise2"));121// Promise.resolve(1).then(() => console.log("promise3"));122// Promise.resolve(1).then(() => console.log("promise4"));123// Promise.resolve(1).then(() => console.log("promise1"));124// Promise.resolve(1).then(() => console.log("promise2"));125// Promise.resolve(1).then(() => console.log("promise3"));126// Promise.resolve(1).then(() => console.log("promise4"));127// Promise.resolve(1).then(() => console.log("promise1"));128// Promise.resolve(1).then(() => console.log("promise2"));129// Promise.resolve(1).then(() => console.log("promise3"));130// Promise.resolve(1).then(() => console.log("promise4"));131// Promise.resolve(1).then(() => console.log("promise1"));132// Promise.resolve(1).then(() => console.log("promise2"));133// Promise.resolve(1).then(() => console.log("promise3"));134// Promise.resolve(1).then(() => console.log("promise4"));135// Promise.resolve(1).then(() => console.log("promise1"));136// Promise.resolve(1).then(() => console.log("promise2"));137// Promise.resolve(1).then(() => console.log("promise3"));138// Promise.resolve(1).then(() => console.log("promise4"));139// Promise.resolve(1).then(() => console.log("promise1"));140// Promise.resolve(1).then(() => console.log("promise2"));141// Promise.resolve(1).then(() => console.log("promise3"));142// Promise.resolve(1).then(() => console.log("promise4"));143// Promise.resolve(1).then(() => console.log("promise1"));144// Promise.resolve(1).then(() => console.log("promise2"));145// Promise.resolve(1).then(() => console.log("promise3"));146// Promise.resolve(1).then(() => console.log("promise4"));147// Promise.resolve(1).then(() => console.log("promise1"));148// Promise.resolve(1).then(() => console.log("promise2"));149// Promise.resolve(1).then(() => console.log("promise3"));150// Promise.resolve(1).then(() => console.log("promise4"));151// Promise.resolve(1).then(() => console.log("promise1"));152// Promise.resolve(1).then(() => console.log("promise2"));153// Promise.resolve(1).then(() => console.log("promise3"));154// Promise.resolve(1).then(() => console.log("promise4"));155// Promise.resolve(1).then(() => console.log("promise1"));156// Promise.resolve(1).then(() => console.log("promise2"));157// Promise.resolve(1).then(() => console.log("promise3"));158// Promise.resolve(1).then(() => console.log("promise4"));159// Promise.resolve(1).then(() => console.log("promise1"));160// Promise.resolve(1).then(() => console.log("promise2"));161// Promise.resolve(1).then(() => console.log("promise3"));162// Promise.resolve(1).then(() => console.log("promise4"));163// Promise.resolve(1).then(() => console.log("promise1"));164// Promise.resolve(1).then(() => console.log("promise2"));165// Promise.resolve(1).then(() => console.log("promise3"));166// Promise.resolve(1).then(() => console.log("promise4"));167// Promise.resolve(1).then(() => console.log("promise1"));168// Promise.resolve(1).then(() => console.log("promise2"));169// Promise.resolve(1).then(() => console.log("promise3"));170// Promise.resolve(1).then(() => console.log("promise4"));171// Promise.resolve(1).then(() => console.log("promise1"));172// Promise.resolve(1).then(() => console.log("promise2"));173// Promise.resolve(1).then(() => console.log("promise3"));174// Promise.resolve(1).then(() => console.log("promise4"));175// Promise.resolve(1).then(() => console.log("promise1"));176// Promise.resolve(1).then(() => console.log("promise2"));177// Promise.resolve(1).then(() => console.log("promise3"));178// Promise.resolve(1).then(() => console.log("promise4"));179// Promise.resolve(1).then(() => console.log("promise1"));180// Promise.resolve(1).then(() => console.log("promise2"));181// Promise.resolve(1).then(() => console.log("promise3"));182// Promise.resolve(1).then(() => console.log("promise4"));183// Promise.resolve(1).then(() => console.log("promise1"));184// Promise.resolve(1).then(() => console.log("promise2"));185// Promise.resolve(1).then(() => console.log("promise3"));186// Promise.resolve(1).then(() => console.log("promise4"));187// Promise.resolve(1).then(() => console.log("promise1"));188// Promise.resolve(1).then(() => console.log("promise2"));189// Promise.resolve(1).then(() => console.log("promise3"));190// Promise.resolve(1).then(() => console.log("promise4"));191// Promise.resolve(1).then(() => console.log("promise1"));192// Promise.resolve(1).then(() => console.log("promise2"));193// Promise.resolve(1).then(() => console.log("promise3"));194// Promise.resolve(1).then(() => console.log("promise4"));195// Promise.resolve(1).then(() => console.log("promise1"));196// Promise.resolve(1).then(() => console.log("promise2"));197// Promise.resolve(1).then(() => console.log("promise3"));198// Promise.resolve(1).then(() => console.log("promise4"));199// Promise.resolve(1).then(() => console.log("promise1"));200// Promise.resolve(1).then(() => console.log("promise2"));201// Promise.resolve(1).then(() => console.log("promise3"));202// Promise.resolve(1).then(() => console.log("promise4"));203// Promise.resolve(1).then(() => console.log("promise1"));204// Promise.resolve(1).then(() => console.log("promise2"));205// Promise.resolve(1).then(() => console.log("promise3"));206// Promise.resolve(1).then(() => console.log("promise4"));207// Promise.resolve(1).then(() => console.log("promise1"));208// Promise.resolve(1).then(() => console.log("promise2"));209// Promise.resolve(1).then(() => console.log("promise3"));210// Promise.resolve(1).then(() => console.log("promise4"));211// Promise.resolve(1).then(() => console.log("promise1"));212// Promise.resolve(1).then(() => console.log("promise2"));213// Promise.resolve(1).then(() => console.log("promise3"));214// Promise.resolve(1).then(() => console.log("promise4"));215// Promise.resolve(1).then(() => console.log("promise1"));216// Promise.resolve(1).then(() => console.log("promise2"));217// Promise.resolve(1).then(() => console.log("promise3"));218// Promise.resolve(1).then(() => console.log("promise4"));219// Promise.resolve(1).then(() => console.log("promise1"));220// Promise.resolve(1).then(() => console.log("promise2"));221// Promise.resolve(1).then(() => console.log("promise3"));222// Promise.resolve(1).then(() => console.log("promise4"));223// Promise.resolve(1).then(() => console.log("promise1"));224// Promise.resolve(1).then(() => console.log("promise2"));225// Promise.resolve(1).then(() => console.log("promise3"));226// Promise.resolve(1).then(() => console.log("promise4"));227// Promise.resolve(1).then(() => console.log("promise1"));228// Promise.resolve(1).then(() => console.log("promise2"));229// Promise.resolve(1).then(() => console.log("promise3"));230// Promise.resolve(1).then(() => console.log("promise4"));231// Promise.resolve(1).then(() => console.log("promise1"));232// Promise.resolve(1).then(() => console.log("promise2"));233// Promise.resolve(1).then(() => console.log("promise3"));234// Promise.resolve(1).then(() => console.log("promise4"));235// Promise.resolve(1).then(() => console.log("promise1"));236// Promise.resolve(1).then(() => console.log("promise2"));237// Promise.resolve(1).then(() => console.log("promise3"));238// Promise.resolve(1).then(() => console.log("promise4"));239// Promise.resolve(1).then(() => console.log("promise1"));240// Promise.resolve(1).then(() => console.log("promise2"));241// Promise.resolve(1).then(() => console.log("promise3"));242// Promise.resolve(1).then(() => console.log("promise4"));243// Promise.resolve(1).then(() => console.log("promise1"));244// Promise.resolve(1).then(() => console.log("promise2"));245// Promise.resolve(1).then(() => console.log("promise3"));246// Promise.resolve(1).then(() => console.log("promise4"));247// Promise.resolve(1).then(() => console.log("promise1"));248// Promise.resolve(1).then(() => console.log("promise2"));249// Promise.resolve(1).then(() => console.log("promise3"));250// Promise.resolve(1).then(() => console.log("promise4"));251// Promise.resolve(1).then(() => console.log("promise1"));252// Promise.resolve(1).then(() => console.log("promise2"));253// Promise.resolve(1).then(() => console.log("promise3"));254// Promise.resolve(1).then(() => console.log("promise4"));255// Promise.resolve(1).then(() => console.log("promise1"));256// Promise.resolve(1).then(() => console.log("promise2"));257// Promise.resolve(1).then(() => console.log("promise3"));258// Promise.resolve(1).then(() => console.log("promise4"));259// Promise.resolve(1).then(() => console.log("promise1"));260// Promise.resolve(1).then(() => console.log("promise2"));261// Promise.resolve(1).then(() => console.log("promise3"));262// Promise.resolve(1).then(() => console.log("promise4"));263// Promise.resolve(1).then(() => console.log("promise1"));264// Promise.resolve(1).then(() => console.log("promise2"));265// Promise.resolve(1).then(() => console.log("promise3"));266// Promise.resolve(1).then(() => console.log("promise4"));267// Promise.resolve(1).then(() => console.log("promise1"));268// Promise.resolve(1).then(() => console.log("promise2"));269// Promise.resolve(1).then(() => console.log("promise3"));270// Promise.resolve(1).then(() => console.log("promise4"));271// Promise.resolve(1).then(() => console.log("promise1"));272// Promise.resolve(1).then(() => console.log("promise2"));273// Promise.resolve(1).then(() => console.log("promise3"));274// Promise.resolve(1).then(() => console.log("promise4"));275// Promise.resolve(1).then(() => console.log("promise1"));276// Promise.resolve(1).then(() => console.log("promise2"));277// Promise.resolve(1).then(() => console.log("promise3"));278// Promise.resolve(1).then(() => console.log("promise4"));279// Promise.resolve(1).then(() => console.log("promise1"));280// Promise.resolve(1).then(() => console.log("promise2"));281// Promise.resolve(1).then(() => console.log("promise3"));282// Promise.resolve(1).then(() => console.log("promise4"));283// Promise.resolve(1).then(() => console.log("promise1"));284// Promise.resolve(1).then(() => console.log("promise2"));285// Promise.resolve(1).then(() => console.log("promise3"));286// Promise.resolve(1).then(() => console.log("promise4"));287// Promise.resolve(1).then(() => console.log("promise1"));288// Promise.resolve(1).then(() => console.log("promise2"));289// Promise.resolve(1).then(() => console.log("promise3"));290// Promise.resolve(1).then(() => console.log("promise4"));291// Promise.resolve(1).then(() => console.log("promise1"));292// Promise.resolve(1).then(() => console.log("promise2"));293// Promise.resolve(1).then(() => console.log("promise3"));294// Promise.resolve(1).then(() => console.log("promise4"));295// Promise.resolve(1).then(() => console.log("promise1"));296// Promise.resolve(1).then(() => console.log("promise2"));297// Promise.resolve(1).then(() => console.log("promise3"));298// Promise.resolve(1).then(() => console.log("promise4"));299// Promise.resolve(1).then(() => console.log("promise1"));300// Promise.resolve(1).then(() => console.log("promise2"));301// Promise.resolve(1).then(() => console.log("promise3"));302// Promise.resolve(1).then(() => console.log("promise4"));303// Promise.resolve(1).then(() => console.log("promise1"));304// Promise.resolve(1).then(() => console.log("promise2"));305// Promise.resolve(1).then(() => console.log("promise3"));306// Promise.resolve(1).then(() => console.log("promise4"));307// Promise.resolve(1).then(() => console.log("promise1"));308// Promise.resolve(1).then(() => console.log("promise2"));309// Promise.resolve(1).then(() => console.log("promise3"));310// Promise.resolve(1).then(() => console.log("promise4"));311// Promise.resolve(1).then(() => console.log("promise1"));312// Promise.resolve(1).then(() => console.log("promise2"));313// Promise.resolve(1).then(() => console.log("promise3"));314// Promise.resolve(1).then(() => console.log("promise4"));315// Promise.resolve(1).then(() => console.log("promise1"));316// Promise.resolve(1).then(() => console.log("promise2"));317// Promise.resolve(1).then(() => console.log("promise3"));318// Promise.resolve(1).then(() => console.log("promise4"));319// Promise.resolve(1).then(() => console.log("promise1"));320// Promise.resolve(1).then(() => console.log("promise2"));321// Promise.reject(1)322// .then(() => console.log("promise3"))323// .catch((err) => console.log("catching"));324// Promise.resolve(1).then(() =>325// console.log("promise4fbsjafbkajsbfkasabfkakjfkjabbfka")326// );327// Promise.resolve(1).then(() => console.log("promise1 ----vasanth"));328// Promise.resolve(1).then(() => console.log("promise2"));329// Promise.resolve(1).then(() => console.log("promise3"));330// Promise.resolve(1).then(() => console.log("promise4"));331// Promise.resolve(1).then(() => console.log("promise1"));332// Promise.resolve(1).then(() => console.log("promise2"));333// Promise.resolve(1).then(() => console.log("promise3"));334// Promise.resolve(1).then(() => console.log("promise4"));335// Promise.resolve(1).then(() => console.log("promise1"));336// Promise.resolve(1).then(() => console.log("promise2"));337// Promise.resolve(1).then(() => console.log("promise3"));338// Promise.resolve(1).then(() => console.log("promise4"));339// Promise.resolve(1).then(() => console.log("promise1"));340// Promise.resolve(1).then(() => console.log("promise2"));341// Promise.resolve(1).then(() => console.log("promise3"));342// Promise.resolve(1).then(() => console.log("promise4"));343// console.log("end");344// classes -> Multi paradigm programming language345// OOPs -> Object Oriented Programming system346// functional programming347// class == function348// class is a syntactic sugar of function349// async await is a syntactic of promise350// function Person(name, age) {351// this.name = name;352// this.age = age;353// this.getAge = function () {354// return this.age;355// };356// console.log(this);357// // return this; default return this358// }359// const vasanth = new Person("vasanth", 20);360// console.log("this return", vasanth);361// const Hema = new Person("Hema", 6);362// const Amit = new Person("Amit", 2);363//364// class Person {365// constructor(name, age) {366// this.name = name;367// this.age = age;368// }369// // getter370// get fullName() {371// return this.name + " kumar";372// }373// set setFullName(name) {374// this.name = name;375// }376// getAge() {377// return this.age;378// }379// }380// let vasanth = new Person("vasanth", 20);381// console.log(vasanth.age, vasanth.fullName);382// vasanth.setFullName = "Rajesh";383// console.log(vasanth.fullName);384// Person();385// class Person1 {386// constructor() {387// console.log("person in class");388// }389// }390// new Person1();391// function Person() {392// console.log("person in fn ");393// }394// function declarations are hoisted but classes are not hoisted395// class -> it is a blue print396// objects -> instance of class or real time entity397// class Human {398// constructor(name, age, gender) {399// this.name = name;400// this.age = age;401// this.gender = gender;402// }403// eat() {404// console.log("eating ");405// }406// sleep() {407// console.log("sleeping");408// }409// think() {410// // console.log("thinking");411// return "thinking";412// }413// }414// let vasanth = new Human("vasanth", 10, "Male");415// console.log(vasanth, vasanth.think());416// let Rani = new Human("rani", 14, "Female");417// class Car {418// constructor(model, color, brand, type) {419// this.model = model;420// this.color = color;421// this.brand = brand;422// this.type = type;423// }424// run() {425// console.log("running");426// }427// playSongs() {428// console.log("songs");429// }430// }431// let hondaCity = new Car("2022", "red", "honda", "sedan");432// let rangeaRover = new Car("2022", "red yellow", "tata", "SUV");433// inheritance434// class GrandParent {435// house() {436// console.log("house");437// }438// }439// class Parent extends GrandParent {440// car() {441// console.log("maruti espresso");442// }443// }444// class Child extends Parent {445// bike() {446// console.log("yamaha");447// }448// // polymorphism -> method overriding449// car() {450// console.log("audi");451// }452// }453// let vinayagam = new GrandParent();454// vinayagam.house();455// let vasanth = new Parent();456// let aadhitya = new Child();457// vasanth.car();458// aadhitya.car();459// // // aadhitya.bike();460// vasanth.house();461// aadhitya.house();`462// function Person(name) {463// this.name = name;464// this.getName = function () {465// return this.name;466// };467// this.num = 10;468// }469class Person {470 constructor(name) {471 this.name = name;472 }473 num = 10;474 getName() {475 return this.name;476 }477}478// let vasanth = new Person("vasanth");479// let anish = new Person("anish");480// console.log(vasanth.getName(), vasanth.num);481// class Laptop {482// constructor(ram, rom, brand, size = 15.4) {483// this.ram = ram;484// this.rom = rom;485// this.brand = brand;486// this.size = size;487// }488// }489// let macbookAir = new Laptop("4gb", 128, "apple", 13.3);490// let acer123 = new Laptop("4gb", 128, "acer");491// let dell = new Laptop("4gb", 128, "dell");492// console.log(macbookAir, acer123, dell);493// prototypical inheritance494// polyfill495// method496// fetch(), axios()497// jquery -> react, angular498// css advanced499// call, bind, apply500// currying501// ()()()502function getFact(num) {503 if (num == 1) {504 return 1;505 }506 return num * getFact(num - 1);507}508console.time();509console.log(getFact(50000000000));...

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3.2.6.js

Source:3.2.6.js Github

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1"use strict";2var assert = require("assert");3var testFulfilled = require("./helpers/testThreeCases").testFulfilled;4var testRejected = require("./helpers/testThreeCases").testRejected;5var adapter = global.adapter;6var fulfilled = adapter.fulfilled;7var rejected = adapter.rejected;8var pending = adapter.pending;9var dummy = { dummy: "dummy" }; // we fulfill or reject with this when we don't intend to test against it10var sentinel = { sentinel: "sentinel" }; // a sentinel fulfillment value to test for with strict equality11var other = { other: "other" }; // a value we don't want to be strict equal to12describe("3.2.6: `then` must return a promise: `promise2 = promise1.then(onFulfilled, onRejected)`", function () {13 specify("is a promise", function () {14 var promise1 = pending().promise;15 var promise2 = promise1.then();16 assert(typeof promise2 === "object" || typeof promise2 === "function");17 assert.notStrictEqual(promise2, null);18 assert.strictEqual(typeof promise2.then, "function");19 });20 describe("3.2.6.1: If either `onFulfilled` or `onRejected` returns a value that is not a promise, `promise2` " +21 "must be fulfilled with that value.", function () {22 function testValue(expectedValue, stringRepresentation) {23 describe("The value is " + stringRepresentation, function () {24 testFulfilled(dummy, function (promise1, done) {25 var promise2 = promise1.then(function onFulfilled() {26 return expectedValue;27 });28 promise2.then(function onPromise2Fulfilled(actualValue) {29 assert.strictEqual(actualValue, expectedValue);30 done();31 });32 });33 testRejected(dummy, function (promise1, done) {34 var promise2 = promise1.then(null, function onRejected() {35 return expectedValue;36 });37 promise2.then(function onPromise2Fulfilled(actualValue) {38 assert.strictEqual(actualValue, expectedValue);39 done();40 });41 });42 });43 }44 testValue(undefined, "`undefined`");45 testValue(null, "`null`");46 testValue(false, "`false`");47 testValue(0, "`0`");48 testValue(new Error(), "an error");49 testValue(new Date(), "a date");50 testValue({}, "an object");51 testValue({ then: 5 }, "an object with a non-function `then` property");52 });53 describe("3.2.6.2: If either `onFulfilled` or `onRejected` throws an exception, `promise2` " +54 "must be rejected with the thrown exception as the reason.", function () {55 function testReason(expectedReason, stringRepresentation) {56 describe("The reason is " + stringRepresentation, function () {57 testFulfilled(dummy, function (promise1, done) {58 var promise2 = promise1.then(function onFulfilled() {59 throw expectedReason;60 });61 promise2.then(null, function onPromise2Rejected(actualReason) {62 assert.strictEqual(actualReason, expectedReason);63 done();64 });65 });66 testRejected(dummy, function (promise1, done) {67 var promise2 = promise1.then(null, function onRejected() {68 throw expectedReason;69 });70 promise2.then(null, function onPromise2Rejected(actualReason) {71 assert.strictEqual(actualReason, expectedReason);72 done();73 });74 });75 });76 }77 testReason(undefined, "`undefined`");78 testReason(null, "`null`");79 testReason(false, "`false`");80 testReason(0, "`0`");81 testReason(new Error(), "an error");82 testReason(new Date(), "a date");83 testReason({}, "an object");84 testReason({ then: function () { } }, "a promise-alike");85 testReason(fulfilled(dummy), "a fulfilled promise");86 var promise = rejected(dummy); promise.caught(function(){});87 testReason(promise, "a rejected promise");88 });89 describe("3.2.6.3: If either `onFulfilled` or `onRejected` returns a promise (call it `returnedPromise`), " +90 "`promise2` must assume the state of `returnedPromise`", function () {91 describe("3.2.6.3.1: If `returnedPromise` is pending, `promise2` must remain pending until `returnedPromise` " +92 "is fulfilled or rejected.", function () {93 testFulfilled(dummy, function (promise1, done) {94 var wasFulfilled = false;95 var wasRejected = false;96 var promise2 = promise1.then(function onFulfilled() {97 var returnedPromise = pending().promise;98 return returnedPromise;99 });100 promise2.then(101 function onPromise2Fulfilled() {102 wasFulfilled = true;103 },104 function onPromise2Rejected() {105 wasRejected = true;106 }107 );108 setTimeout(function () {109 assert.strictEqual(wasFulfilled, false);110 assert.strictEqual(wasRejected, false);111 done();112 }, 100);113 });114 testRejected(dummy, function (promise1, done) {115 var wasFulfilled = false;116 var wasRejected = false;117 var promise2 = promise1.then(null, function onRejected() {118 var returnedPromise = pending().promise;119 return returnedPromise;120 });121 promise2.then(122 function onPromise2Fulfilled() {123 wasFulfilled = true;124 },125 function onPromise2Rejected() {126 wasRejected = true;127 }128 );129 setTimeout(function () {130 assert.strictEqual(wasFulfilled, false);131 assert.strictEqual(wasRejected, false);132 done();133 }, 100);134 });135 });136 describe("3.2.6.3.2: If/when `returnedPromise` is fulfilled, `promise2` must be fulfilled with the same value.",137 function () {138 describe("`promise1` is fulfilled, and `returnedPromise` is:", function () {139 testFulfilled(sentinel, function (returnedPromise, done) {140 var promise1 = fulfilled(dummy);141 var promise2 = promise1.then(function onFulfilled() {142 return returnedPromise;143 });144 promise2.then(function onPromise2Fulfilled(value) {145 assert.strictEqual(value, sentinel);146 done();147 });148 });149 specify("a pseudo-promise", function (done) {150 var promise1 = fulfilled(dummy);151 var promise2 = promise1.then(function onFulfilled() {152 return {153 then: function (f) { f(sentinel); }154 };155 });156 promise2.then(function onPromise2Fulfilled(value) {157 assert.strictEqual(value, sentinel);158 done();159 });160 });161 });162 describe("`promise1` is rejected, and `returnedPromise` is:", function () {163 testFulfilled(sentinel, function (returnedPromise, done) {164 var promise1 = rejected(dummy);165 var promise2 = promise1.then(null, function onRejected() {166 return returnedPromise;167 });168 promise2.then(function onPromise2Fulfilled(value) {169 assert.strictEqual(value, sentinel);170 done();171 });172 });173 specify("a pseudo-promise", function (done) {174 var promise1 = rejected(dummy);175 var promise2 = promise1.then(null, function onRejected() {176 return {177 then: function (f) { f(sentinel); }178 };179 });180 promise2.then(function onPromise2Fulfilled(value) {181 assert.strictEqual(value, sentinel);182 done();183 });184 });185 });186 });187 describe("3.2.6.3.3: If/when `returnedPromise` is rejected, `promise2` must be rejected with the same reason.",188 function () {189 describe("`promise1` is fulfilled, and `returnedPromise` is:", function () {190 testRejected(sentinel, function (returnedPromise, done) {191 var promise1 = fulfilled(dummy);192 var promise2 = promise1.then(function onFulfilled() {193 return returnedPromise;194 });195 promise2.then(null, function onPromise2Rejected(reason) {196 assert.strictEqual(reason, sentinel);197 done();198 });199 });200 specify("a pseudo-promise", function (done) {201 var promise1 = fulfilled(dummy);202 var promise2 = promise1.then(function onFulfilled() {203 return {204 then: function (f, r) { r(sentinel); }205 };206 });207 promise2.then(null, function onPromise2Rejected(reason) {208 assert.strictEqual(reason, sentinel);209 done();210 });211 });212 });213 describe("`promise1` is rejected, and `returnedPromise` is:", function () {214 testRejected(sentinel, function (returnedPromise, done) {215 var promise1 = rejected(dummy);216 var promise2 = promise1.then(null, function onRejected() {217 return returnedPromise;218 });219 promise2.then(null, function onPromise2Rejected(reason) {220 assert.strictEqual(reason, sentinel);221 done();222 });223 });224 specify("a pseudo-promise", function (done) {225 var promise1 = rejected(dummy);226 var promise2 = promise1.then(null, function onRejected() {227 return {228 then: function (f, r) { r(sentinel); }229 };230 });231 promise2.then(null, function onPromise2Rejected(reason) {232 assert.strictEqual(reason, sentinel);233 done();234 });235 });236 });237 });238 });239 describe("3.2.6.4: If `onFulfilled` is not a function and `promise1` is fulfilled, `promise2` must be fulfilled " +240 "with the same value.", function () {241 function testNonFunction(nonFunction, stringRepresentation) {242 describe("`onFulfilled` is " + stringRepresentation, function () {243 testFulfilled(sentinel, function (promise1, done) {244 var promise2 = promise1.then(nonFunction);245 promise2.then(function onPromise2Fulfilled(value) {246 assert.strictEqual(value, sentinel);247 done();248 });249 });250 });251 }252 testNonFunction(undefined, "`undefined`");253 testNonFunction(null, "`null`");254 testNonFunction(false, "`false`");255 testNonFunction(5, "`5`");256 testNonFunction({}, "an object");257 testNonFunction([function () { return other; }], "an array containing a function");258 });259 describe("3.2.6.5: If `onRejected` is not a function and `promise1` is rejected, `promise2` must be rejected " +260 "with the same reason.", function () {261 function testNonFunction(nonFunction, stringRepresentation) {262 describe("`onRejected` is " + stringRepresentation, function () {263 testRejected(sentinel, function (promise1, done) {264 var promise2 = promise1.then(null, nonFunction);265 promise2.then(null, function onPromise2Rejected(reason) {266 assert.strictEqual(reason, sentinel);267 done();268 });269 });270 });271 }272 testNonFunction(undefined, "`undefined`");273 testNonFunction(null, "`null`");274 testNonFunction(false, "`false`");275 testNonFunction(5, "`5`");276 testNonFunction({}, "an object");277 testNonFunction([function () { return other; }], "an array containing a function");278 });...

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exercise.js

Source:exercise.js Github

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1// 1、基础题2// 题目一3// const promise1 = new Promise((resolve, reject) => {4// console.log('promise1')5// })6// console.log('1', promise1);7// 输出结果 promise1 '1' Promise{<pending>} 8// 题目二9// const promise = new Promise((resolve, reject) => {10// console.log(1);11// resolve('success') // 遇到resolve('success')， 将promise的状态改为了resolved并且将值保存下来12// console.log(2);13// });14// promise.then(() => {15// console.log(3);16// });17// console.log(4);18// 输出结果 1 2 4 3 19// 题目三20// const promise = new Promise((resolve, reject) => {21// console.log(1);22// console.log(2);23// });24// promise.then(() => {25// console.log(3);26// });27// console.log(4);28// 和题目二相似，只不过在promise中并没有resolve或者reject29// 因此promise.then并不会执行，它只有在被改变了状态之后才会执行。30// 输出结果 1 2 4 31// 题目四32// const promise1 = new Promise((resolve, reject) => {33// console.log('promise1')34// resolve('resolve1')35// })36// const promise2 = promise1.then(res => {37// console.log(res)38// })39// console.log('1', promise1);40// console.log('2', promise2);41// 输出结果 promise1 1 Promise{<resolved>: 'resolve1'} '2' Promise{<pending>} resolve142// 题目五43// const fn = () => (new Promise((resolve, reject) => {44// console.log(1);45// resolve('success')46// }))47// fn().then(res => {48// console.log(res)49// })50// console.log('start')51// 输出结果 1 start success52// 题目六53// const fn = () =>54// new Promise((resolve, reject) => {55// console.log(1);56// resolve("success");57// });58// console.log("start");59// fn().then(res => {60// console.log(res);61// });62// 输出结果 start 1 success63// 2. Promise结合setTimeout64// 题目一65// console.log('start')66// setTimeout(() => {67// console.log('time')68// })69// Promise.resolve().then(() => {70// console.log('resolve')71// })72// console.log('end')73// 输出结果 start end resolve time 74// 题目二75// const promise = new Promise((resolve, reject) => {76// console.log(1);77// setTimeout(() => {78// console.log("timerStart");79// resolve("success");80// console.log("timerEnd");81// }, 0);82// console.log(2);83// });84// promise.then((res) => {85// console.log(res);86// });87// console.log(4);88//过程分析：89// 从上至下，先遇到new Promise，执行该构造函数中的代码190// 然后碰到了定时器，将这个定时器中的函数放到下一个宏任务的延迟队列中等待执行91// 执行同步代码292// 跳出promise函数，遇到promise.then，但其状态还是为pending，这里理解为先不执行93// 执行同步代码494// 一轮循环过后，进入第二次宏任务，发现延迟队列中有setTimeout定时器，执行它95// 首先执行timerStart，然后遇到了resolve，将promise的状态改为resolved且保存结果并将之前的promise.then推入微任务队列96// 继续执行同步代码timerEnd97// 宏任务全部执行完毕，查找微任务队列，发现promise.then这个微任务，执行它。98// 输出结果 1 2 4 timerStart timerEnd success99// 题目三100// setTimeout(() => {101// console.log('timer1');102// setTimeout(() => {103// console.log('timer3')104// }, 0)105// }, 0)106// setTimeout(() => {107// console.log('timer2')108// }, 0)109// console.log('start')110// 输出结果 start timer1 timer2 timer3111// setTimeout(() => {112// console.log('timer1');113// Promise.resolve().then(() => {114// console.log('promise')115// })116// }, 0)117// setTimeout(() => {118// console.log('timer2')119// }, 0)120// console.log('start')121// 输出结果 start timer1 promise timer2122// 题目四123Promise.resolve().then(() => {124 console.log('promise1');125 const timer2 = setTimeout(() => {126 console.log('timer2')127 }, 0)128});129const timer1 = setTimeout(() => {130 console.log('timer1')131 Promise.resolve().then(() => {132 console.log('promise2')133 })134}, 0)135console.log('start');136// 输出结果 start promise1 timer1 promise2 timer2137// 题目五138// const promise1 = new Promise((resolve, reject) => {139// setTimeout(() => {140// resolve('success')141// }, 1000)142// })143// const promise2 = promise1.then(() => {144// throw new Error('error!!!')145// })146// console.log('promise1', promise1)147// console.log('promise2', promise2)148// setTimeout(() => {149// console.log('promise1', promise1)150// console.log('promise2', promise2)151// }, 2000)152// 输出结果 153// promise1 promise1<pending> 154// promise2 promise2<pending> 155// test5.html:102 Uncaught (in promise) Error: error!!! at test.html:102156//'promise1' Promise{<resolved>: "success"} 157//'promise2' Promise{<rejected>: Error: error!!!}158// 题目六159const promise1 = new Promise((resolve, reject) => {160 setTimeout(() => {161 resolve("success");162 console.log("timer1");163 }, 1000);164 console.log("promise1里的内容");165});166const promise2 = promise1.then(() => {167 throw new Error("error!!!");168});169console.log("promise1", promise1);170console.log("promise2", promise2);171setTimeout(() => {172 console.log("timer2");173 console.log("promise1", promise1);174 console.log("promise2", promise2);175}, 2000);176// promise1里的内容 177// promise1 promise1<pending> 178// promise2 promise2<pending>179// timer1180// test5.html:102 Uncaught (in promise) Error: error!!! at test.html:102181// timer2182// promise1 Promise{<resolved>: "success"}183// 'promise2' Promise{<rejected>: Error: error!!!}184// 3. Promise中的then、catch、finally185// 题目一186// 题目二187// 题目三...

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Using AI Code Generation

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1var client = require('webdriverio').remote({2 desiredCapabilities: {3 }4});5 .init()6 .title(function(err, res) {7 console.log('Title was: ' + res.value);8 })9 .end();

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Using AI Code Generation

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1var promise1 = require('./promise1.js');2promise1.then(function (data) {3 console.log(data);4}).catch(function (err) {5 console.log(err);6});7var promise2 = require('./promise2.js');8promise2.then(function (data) {9 console.log(data);10}).catch(function (err) {11 console.log(err);12});13var promise3 = require('./promise3.js');14promise3.then(function (data) {15 console.log(data);16}).catch(function (err) {17 console.log(err);18});19var callback1 = require('./callback1.js');20callback1(function (data) {21 console.log(data);22});23var callback2 = require('./callback2.js');24callback2(function (data) {25 console.log(data);26});27var callback3 = require('./callback3.js');28callback3(function (data) {29 console.log(data);30});31var async1 = require('./async1.js');32async function test() {33 var data = await async1();34 console.log(data);35}36test();37var async2 = require('./async2.js');38async function test() {39 var data = await async2();40 console.log(data);41}42test();

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Using AI Code Generation

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1var wpt = require('webpagetest');2var api = new wpt('www.webpagetest.org');3});4test.then(function(data) {5 console.log(data);6}, function(err) {7 console.log(err);8});

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Using AI Code Generation

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1var wpt = require('webpagetest');2var util = require('util');3var fs = require('fs');4var exec = require('child_process').exec;5var request = require('request');6var url = require('url');7var path = require('path');8var http = require('http');9var https = require('https');10var url = require('url');11var path = require('path');12var http = require('http');13var https = require('https');14var url = require('url');15var path = require('path');16var http = require('http');17var https = require('https');18var url = require('url');19var path = require('path');20var http = require('http');21var https = require('https');22var url = require('url');23var path = require('path');24var http = require('http');25var https = require('https');26var url = require('url');27var path = require('path');28var http = require('http');29var https = require('https');30var url = require('url');31var path = require('path');32var http = require('http');33var https = require('https');34var url = require('url');35var path = require('path');36var http = require('http');37var https = require('https');38var url = require('url');39var path = require('path');40var http = require('http');41var https = require('https');42var url = require('url');43var path = require('path');44var http = require('http');45var https = require('https');46var url = require('url');47var path = require('path');48var http = require('http');49var https = require('https');50var url = require('url');51var path = require('path');52var wpt = new WebPageTest('www.webpagetest.org', 'A.3c1a3d1b1e7a3f8e9f7bf9b8b6e7a0a8');

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Using AI Code Generation

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1var wptools = require('wptools');2var fs = require('fs');3var page = wptools.page('Barack Obama');4page.get(function(err, resp) {5 fs.writeFile('test.json', JSON.stringify(resp), (err) => {6 if (err) throw err;7 console.log('The file has been saved!');8 });9});

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Using AI Code Generation

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1var wpt = require('webpagetest');2var webPageTest = new wpt('www.webpagetest.org', 'A.0f9d9f9f9f9f9f9f9f9f9f9f9f9f9f9f9');3 console.log('Test ID: ' + data.data.testId);4 console.log(data);5});6 console.log('Test ID: ' + data.data.testId);7 console.log(data);8});9 console.log('Test ID: ' + data.data.testId);10 console.log(data);11});12 console.log('Test ID: ' + data.data.testId);13 console.log(data);14});15 console.log('Test ID: ' + data.data.testId);16 console.log(data);17});18 console.log('Test ID: ' + data.data.testId);19 console.log(data);20});21 console.log('Test ID: ' + data.data.testId);22 console.log(data);23});24 console.log('Test ID: ' + data.data.testId);25 console.log(data);26});27webPageTest.runTest('http

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Using AI Code Generation

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1var wpt = require('wpt');2var wpt = new WebPageTest('www.webpagetest.org', 'A.3c3b9e2d3a6e7d3b4c4b4a4a4a4a4a4a');3var options = {4 lighthouseConfig: {5 settings: {6 },7 },8};9 if (err) return console.log(err);10 console.log('Test ID: %s', data.data.testId);11 wpt.getTestResults(data.data.testId, function(err, data) {12 if (err) return console.log(err);13 console.log('Speed Index: %s', data.data.average.firstView.SpeedIndex);14 });15});

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Using AI Code Generation

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1var wpt = require('webpagetest');2var options = {3};4var api = new wpt(options);5var location = 'Dulles_MotoG4:Chrome.56';6var runtest = new Promise(function(resolve, reject) {7 api.runTest(url, {8 }, function(err, data) {9 if (err) {10 reject(err);11 } else {12 resolve(data);13 }14 });15});16runtest.then(function(data) {17 console.log(data);18 console.log('testId: ' + data.data.testId);19 console.log('ownerKey: ' + data.data.ownerKey);20 console.log('jsonUrl: ' + data.data.jsonUrl);21 console.log('xmlUrl: ' + data.data.xmlUrl);22 console.log('userUrl: ' + data.data.userUrl);23 console.log('summaryCSV: ' + data.data.summaryCSV);24 console.log('detailCSV: ' + data.data.detailCSV);25});26runtest.catch(function(err) {27 console.log(err);28});29var wpt = require('webpagetest');30var options = {31};32var api = new wpt(options);33var location = 'Dulles_MotoG4:Chrome.56';34var runtest = new Promise(function(resolve, reject) {35 api.runTest(url, {36 }, function(err, data) {37 if (err) {38 reject(err);39 } else {40 resolve(data);41 }42 });43});44runtest.then(function(data) {45 console.log(data);46 console.log('test

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