freeCodeCamp/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/es6/create-a-javascript-promise.english.md

id: 5cdafbb0291309899753167f <<<<<<< HEAD <<<<<<< HEAD title: Create a JavaScript Promise ======= title: Create a Javascript Promise >>>>>>> 5aba19817... feat/new-lessons-on-js-promises ======= title: Create a JavaScript Promise >>>>>>> bed9cbc73... Update curriculum/challenges/english/02-javascript-algorithms-and-data-structures/es6/create-a-javascript-promise.english.md challengeType: 1

Description

<<<<<<< HEAD <<<<<<< HEAD <<<<<<< HEAD <<<<<<< HEAD A promise in JavaScript is exactly what it sounds like. You use it to make a promise to do something, usually asynchronously. When the task completes you either fulfill your promise or fail to do so. Promise is a constructor function so you need to use the new keyword to create one. It takes a function as its argument with two parameters, resolve and reject. These are methods used to determine the outcome of the promise. The syntax looks like this: ======= A promise in javascript is exactly what it sounds like. You use it to make a promise to do something, and at some point you either fulfill your promise or fail to do so. It’s a constructor function, so they are create with the new keyword. It needs a function as its argument with two parameters, resolve and reject. These are methods used to determine the outcome of the promise. The syntax looks like this: >>>>>>> 5aba19817... feat/new-lessons-on-js-promises ======= A promise in javascript is exactly what it sounds like. You use it to make a promise to do something, usually asynchronous. When the task completes you either fulfill your promise or fail to do so. It’s a constructor function, so they are created with the new keyword. It needs a function as its argument with two parameters, resolve and reject. These are methods used to determine the outcome of the promise. The syntax looks like this: >>>>>>> 396e6142b... fix/update-verbiage ======= A promise in JavaScript is exactly what it sounds like. You use it to make a promise to do something, usually asynchronously. When the task completes you either fulfill your promise or fail to do so. Promise is a constructor function so you need to use the new keyword to create one. It needs a function as its argument with two parameters, resolve and reject. These are methods used to determine the outcome of the promise. The syntax looks like this: >>>>>>> d86e97264... Update curriculum/challenges/english/02-javascript-algorithms-and-data-structures/es6/create-a-javascript-promise.english.md ======= A promise in JavaScript is exactly what it sounds like. You use it to make a promise to do something, usually asynchronously. When the task completes you either fulfill your promise or fail to do so. Promise is a constructor function so you need to use the new keyword to create one. It takes a function as its argument with two parameters, resolve and reject. These are methods used to determine the outcome of the promise. The syntax looks like this: >>>>>>> 915a966f1... fix/change-needs-to-takes-in-instructions

const myPromise = new Promise((resolve, reject) => {

});

Instructions

<<<<<<< HEAD <<<<<<< HEAD Create a new promise called makeServerRequest. Pass in a function with resolve and reject parameters to the constructor. ======= Create a new promise called makeServerRequest. Pass in a function with resolve and reject parameters to the promise. >>>>>>> 5aba19817... feat/new-lessons-on-js-promises ======= Create a new promise called makeServerRequest. Pass in a function with resolve and reject parameters to the constructor. >>>>>>> 79a812601... Update curriculum/challenges/english/02-javascript-algorithms-and-data-structures/es6/create-a-javascript-promise.english.md

Tests

tests:
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  - text: You should assign a promise to a declared variable named <code>makeServerRequest</code>.
    testString: assert(makeServerRequest instanceof Promise);
  - text: Your promise should receive a function with <code>resolve</code> and <code>reject</code> as parameters.
    testString: assert(code.match(/Promise\(\s*(function\s*\(\s*resolve\s*,\s*reject\s*\)\s*{|\(\s*resolve\s*,\s*reject\s*\)\s*=>\s*{)[^}]*}/g));
=======
  - text: Your promise should be in a variable called <code>makeServerRequest</code>.
=======
  - text: You should assign a promise to a declared variable named <code>makeServerRequest</code>.
>>>>>>> 8f4cfb0e5... Update curriculum/challenges/english/02-javascript-algorithms-and-data-structures/es6/create-a-javascript-promise.english.md
    testString: assert(makeServerRequest instanceof Promise);
  - text: Your promise should receive a function with <code>resolve</code> and <code>reject</code> as parameters.
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    testString: assert(typeof(makeServerRequest) === "object" && (code.match(/new\s*Promise\(\s*\(\s*resolve\s*,\s*reject\s*\)\s*=>\s*{/g) || code.match(/new\s*Promise\s*\(\s*function\s*\(\s*resolve\s*,\s*reject\s*\)\s*{/g)));
>>>>>>> 5aba19817... feat/new-lessons-on-js-promises
=======
    testString: assert(makeServerRequest instanceof Promise && (code.match(/new\s*Promise\(\s*\(\s*resolve\s*,\s*reject\s*\)\s*=>\s*{/g) || code.match(/new\s*Promise\s*\(\s*function\s*\(\s*resolve\s*,\s*reject\s*\)\s*{/g)));
>>>>>>> 066e1792e... fix/add-tests
=======
    testString: assert(code.match(/Promise\(\s*(function\s*\(\s*resolve\s*,\s*reject\s*\)\s*{|\(\s*resolve\s*,\s*reject\s*\)\s*=>\s*{)[^}]*}/g));
>>>>>>> 2a76bf50c... fix/make-tests-more-robust

Challenge Seed

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>>>>>>> 5aba19817... feat/new-lessons-on-js-promises
=======

>>>>>>> 2a76bf50c... fix/make-tests-more-robust

Solution

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const makeServerRequest = new Promise((resolve, reject) => {
=======
makeServerRequest = new Promise((resolve, reject) => {
>>>>>>> 5aba19817... feat/new-lessons-on-js-promises
=======
const makeServerRequest = new Promise((resolve, reject) => {
>>>>>>> e40baddf2... fix/solution-to-pass-tests

});