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Join our free JavaScript course with certification. Learn JavaScript online at your own pace and get a certificate upon completion. Start coding today!
- Free
- This course focuses on pure JavaScript without frameworks. However, it builds a strong base so you can start learning popular libraries like React,...
- Yes, you get a Certificate of Completion after finishing the course. This validates your JavaScript skills and can be added to your resume.
- Core topics like functions, arrays, objects, DOM manipulation, asynchronous JS, form validation, and regular expressions.
- No coding experience is required! The course is for beginners, with the familiarity of using computers and the Internet.
- You get 90 days of unlimited access to all the course materials and lessons.
- Yes, you are welcome to share this course with friends and colleagues interested in learning JavaScript.
- It is a 5-hour video course with 16 lessons covering all JavaScript fundamentals.
- The course is beginner-friendly, with instructors explaining concepts clearly. However, you need to practice regularly to master the skills.
Learn how to handle asynchronous work with ease! In this course, you'll use Native JavaScript Promises to write asynchronous code that is easy to read, easy to write and easy to debug. Along the way, you'll be using Promises to make a webapp come to life!
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Apr 9, 2024 · JavaScript Promises Tutorial. Last updated on April 9, 2024. Promise on MDN. Promises were added to JavaScript back in 2015 and are now supported on more than 98% of browsers worldwide. A promise allows us to schedule work in the future and lets us handle its eventual success or failure.
A Promise is a native JavaScript object which has two traits: 1. It receives a single argument which is a function. This function needs to have two arguments, a resolve function and a reject function.
Dive into a comprehensive tutorial on JavaScript Promises, part of the "10 Things JS Developers Should Know" series. Learn about asynchronous vs. synchronous programming, the challenges of async code, and how Promises solve these issues. Explore the different phases of a Promise, how to use and chain them, and their benefits over callbacks.
1hr 15min of on-demand video. Created by Daniel Stern. English [Auto] What you'll learn. Course content. Reviews. Instructors. What promises are. How and where to use promises. JavaScript code required to implement and consume promises. Understanding of the promise library ecosystem. Promise methods catch and then. How to implement the Promise spec
People also ask
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What is a free JavaScript course?
How and where to use promises. JavaScript code required to implement and consume promises. Understanding of the promise library ecosystem. Promise methods catch and then. How to implement the Promise spec. How to troubleshoot promises. How to chain and combine promises. How to use promises with async / await.
