JavaScript AJAX XHR for beginners

JavaScript AJAX XHR for beginners


Welcome to our introductory course for using AJAX – Asynchronous JavaScript And XML with JavaScript

Explore how you can use XMLHttpRequest to connect to web APIs to retrieve JSON data into your web application.  Use JavaScript to send requests, receive response content and use the response data to output into the html.

This course covers how to make AJAX requests using the XMLHttpRequest within JavaScript.  JavaScript code knowledge is a prerequisite for the course.  Scope of this course is focused on AJAX

Course Covers

  • Explore what XHR is and how it works
  • JavaScript Objects and how it relates to JSON data
  • Learn how to use JavaScript Object data setting and updating
  • How to save JSON and lint JSON to validate JSON data
  • Loop through content within JavaScript Arrays Objects and output content
  • What JavaScript AJAX readystate is
  • Use response data
  • Use JSON parse and stringify to convert data objects and strings
  • Explore how to use JSON data
  • Connecting to web APIs
  • Practice AJAX

You’ll get friendly support in the Q&A area and all the source code available for download.

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You will be amazed at how easy it can be to do some much.
Go ahead and hit that “take this course” button to start learning the AJAX Today.

Taught by an instructor with over 20 years of web development experience, ready to help you learn and answer any questions you may have.

What are you waiting join now to start learning AJAX, you have nothing to lose.

Who this course is for:

  • Web developers who want to practice AJAX
  • Anyone who wants to use JavaScript xHR to connect to APIs
  • Anyone who wants to learn more about XHR
  • JavaScript developers


  • JavaScript Experience and HTML and CSS
  • You should have web development Experience

Last Updated 2/2023

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