Yahoo Web Search

Search results

1. • Demonstrate your expertise in handling asynchronous tasks

     • JavaScript promises have become an essential tool in modern front-end development. Promises enable developers to handle asynchronous operations effectively, resulting in cleaner and more maintainable code. Understanding JavaScript promises is crucial for front-end job interviews as they demonstrate your expertise in handling asynchronous tasks.
     medium.com/@yuribett/javascript-promises-a-must-know-for-front-end-job-interviews-32afed53f307

     JavaScript Promises: A Must-Know for Front-end Job Interviews

2. People also ask

   What questions should you ask in a JavaScript promise interview?

   • Here are 20 commonly asked JavaScript Promise interview questions and answers to prepare you for your interview: 1. What is a promise? A promise is an object that represents the result of an asynchronous operation. A promise can be in one of three states: pending, fulfilled, or rejected.

   20 JavaScript Promise Interview Questions and Answers

   climbtheladder.com/javascript-promise-interview-questions/

   See all results for this question

   What is a JavaScript promise?

   • A JavaScript Promise is an object that represents the eventual completion (or failure) of an asynchronous operation and its resulting value. When applying for a position that involves JavaScript, it is likely that you will be asked questions about Promises.

   20 JavaScript Promise Interview Questions and Answers

   climbtheladder.com/javascript-promise-interview-questions/

   See all results for this question

   How do native JavaScript promises work?

   • Native JavaScript promises don’t expose promise states. Instead, you’re expected to treat the promise as a black box. Only the function responsible for creating the promise will have knowledge of the promise status, or access to resolve or reject. Here is a function that returns a promise which will resolve after a specified time delay:

   Master the JavaScript Interview: What is a Promise? - Medium

   medium.com/javascript-scene/master-the-javascript-interview-what-is-a-promise-27fc71e77261

   See all results for this question

   What is a standard for promises in JavaScript?

   • A standard for promises was defined by the Promises/A+ specification community. There are many implementations which conform to the standard, including the JavaScript standard ECMAScript promises. Promises following the spec must follow a specific set of rules: A promise or “thenable” is an object that supplies a standard-compliant .then() method.

   Master the JavaScript Interview: What is a Promise? - Medium

   medium.com/javascript-scene/master-the-javascript-interview-what-is-a-promise-27fc71e77261

   See all results for this question

   Why did jQuery make JavaScript promises more popular?

   • In spite of those weaknesses, jQuery officially made JavaScript promises mainstream, and better stand-alone promise libraries like Q, When, and Bluebird became very popular. jQuery’s implementation incompatibilities motivated some important clarifications in the promise spec, which was rewritten and rebranded as the Promises/A+ specification.

   Master the JavaScript Interview: What is a Promise? - Medium

   medium.com/javascript-scene/master-the-javascript-interview-what-is-a-promise-27fc71e77261

   See all results for this question

   What does pending promise mean in JavaScript?

   • A pending promise means that the asynchronous operation has not yet completed. A fulfilled promise means that the asynchronous operation has completed successfully. A rejected promise means that the asynchronous operation has failed. 2. Can you give me an example of how to use promises in JavaScript?

   20 JavaScript Promise Interview Questions and Answers

   climbtheladder.com/javascript-promise-interview-questions/

   See all results for this question

3. medium.com › @yuribett › javascript-promises-a-mustJavaScript Promises: A Must-Know for Front-end Job Interviews

   medium.com › @yuribett › javascript-promises-a-must

   Jul 12, 2023 · Promises enable developers to handle asynchronous operations effectively, resulting in cleaner and more maintainable code. Understanding JavaScript promises is crucial for front-end job...

   • Promises

     A promise is an object that may produce a single value some...

4. medium.com › javascript-scene › master-theMaster the JavaScript Interview: What is a Promise?

   medium.com › javascript-scene › master-the

   Jan 22, 2017 · A promise is an object that may produce a single value some time in the future: either a resolved value, or a reason that it’s not resolved (e.g., a network error occurred). A promise may be in...

5. Videos

   • 

     11:31

     youtube.com

     JavaScript Promises In 10 Minutes

     17 Jan 2019

     1.8M views

   • 

     1:39

     youtube.com

     JavaScript Promise in 100 Seconds

     31 Jan 2020

     368.7K views

   • 

     37:05

     youtube.com

     JavaScript Promises -- Tutorial for Beginners

     4 Oct 2022

     127.6K views

   View all

6. climbtheladder.com › javascript-promise-interview20 JavaScript Promise Interview Questions and Answers

   climbtheladder.com › javascript-promise-interview

   • Cached

   Aug 11, 2022 · When applying for a position that involves JavaScript, it is likely that you will be asked questions about Promises. In this article, we review some of the most common questions about JavaScript Promises and how you should answer them.

7. medium.com › insiderengineering › masteringMastering JavaScript Promises: From Basics to Advanced

   medium.com › insiderengineering › mastering

   Oct 9, 2023 · That’s why Promises come to the rescue when we want to perform synchronous operations. We can use them to convert asynchronous tasks into synchronous ones. I will explain why and how to use...

   • Author: Murat Cakmak

8. www.freecodecamp.org › news › what-is-promise-inWhat is a Promise? JavaScript Promises for Beginners

   www.freecodecamp.org › news › what-is-promise-in

   • Cached

   Aug 16, 2021 · JavaScript promises are a very powerful feature that help you run asynchronous code in JavaScript. In most, if not all, interviews for roles which use JavaScript, your interviewer will probably ask a question about promises.

9. www.explainthis.io › en › sweWhat Is JavaScript Promise? And How To Use It?｜ExplainThis

   www.explainthis.io › en › swe

   • Cached

   Feb 14, 2023 · Promise is a new feature in ES6, and it is used to optimize the previous callback function. This interview in-depth discussion will discuss what promise is, why we need Promise, and extend to async/await related questions.

10. thedailyfrontend.com › javascript-interviewJavaScript Interview Questions on Promises - The Daily Frontend

    thedailyfrontend.com › javascript-interview

    • Cached

    Sep 7, 2024 · Why are Promises Important in JavaScript? Promises are crucial in JavaScript because they enable developers to write asynchronous code that is easier to read and maintain. By using promises, developers can avoid the use of callbacks and instead focus on writing code that is more modular and reusable.