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Asynchronous JavaScript Requests

via Udacity


This course covers everything a developer needs to know to asynchronously send and receive data in their web applications. You'll dive into how asynchronous requests work by using the XHR object to create and send asynchronous requests for image and news article data. Then, you'll see how you can perform async requests more easily using third-party libraries and APIs like jQuery's Ajax and the Fetch API.


  • 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: 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: Ajax with Fetch
    • Use JavaScript promises to create a fetch request and handle the data asynchronously,Learn how to handle errors for failed requests

Taught by

Richard Kalehoff


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