Brief Introduction
Retrieving data asynchronously is now the norm with apps like Twitter, Facebook, and Google sending and retrieving mountains of data without having to stop and wait for processes to finish or to reload the page. Create smooth, modern web applications by using Ajax techniques to retrieve data asynchronously.Course Summary
Learn how to make asynchronous requests and handle responses using JavaScript. This course covers everything from callbacks to promises and async/await, making it perfect for web developers looking to improve their skills.Key Learning Points
- Understand the basics of asynchronous programming in JavaScript
- Learn how to use callbacks, promises, and async/await to handle asynchronous requests
- Explore how to handle errors and debug asynchronous code
Related Topics for further study
Learning Outcomes
- Understand how to make and handle asynchronous requests in JavaScript
- Learn how to use callbacks, promises, and async/await to write cleaner and more efficient code
- Be able to debug asynchronous code and handle errors effectively
Prerequisites or good to have knowledge before taking this course
- Basic knowledge of JavaScript
- Familiarity with web development
Course Difficulty Level
IntermediateCourse Format
- Self-paced
- Online
- Video-based
Similar Courses
- JavaScript Promises
- Advanced JavaScript
Related Education Paths
Related Books
Description
Learn how to asynchronously request data in your web applications with Ajax.Requirements
- This course is ideal for students with intermediate level knowledge of JavaScript. You should have experience working with JavaScript's Object Oriented (prototypal inheritance) capabilities and using native JavaScript Promises. To brush up on these skills, check out Object Oriented JavaScript and JavaScript Promises . See the Technology Requirements for using Udacity.
Knowledge
- Instructor videosLearn by doing exercisesTaught by industry professionals
Outline
- lesson 1 Lesson 1: Ajax with XHR Learn why you should use asynchronous data requests Use the XHR (XMLHTTPRequest) object to send and receive data asynchronously lesson 2 Lesson 2: Ajax with jQuery Compare using XHR with using a third-party library like jQuery's Ajax Send and receive data using jQuery's Ajax methods Learn how jQuery's Ajax works under the hood lesson 3 Lesson 3: Ajax with Fetch Use JavaScript promises to create a fetch request and handle the data asynchronously Learn how to handle errors for failed requests
Summary of User Reviews
Asynchronous JavaScript Requests is a highly rated course on Udacity that teaches students how to use JavaScript to make asynchronous requests. Users have praised the course for its comprehensive curriculum and interactive exercises.Key Aspect Users Liked About This Course
Many users thought that the interactive exercises were particularly helpful in reinforcing the concepts learned in the course.Pros from User Reviews
- Comprehensive curriculum that covers all aspects of asynchronous JavaScript
- Interactive exercises that help reinforce concepts
- Clear and concise explanations of complex concepts
- Engaging and knowledgeable instructors
- Flexible learning options that allow students to learn at their own pace
Cons from User Reviews
- Some users found the course to be too basic for their skill level
- The course can be challenging for beginners who are new to programming
- Some users found the course to be too focused on theory rather than practical application
- The course may not be suitable for those who prefer a more hands-on approach to learning
- The course can be time-consuming and requires a significant amount of dedication
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