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Learn JSON with JavaScript Objects and APIs in 1 hour (Udemy.com)

Guide to learning how to use JavaScript Objects and create and use JSON as a JavaScript Object

4.2
226 reviews

Created by: Laurence Svekis

Last updated November 2024

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What you will learn

  • Connect to APIs and retrieve JSON data
  • Parse JSON data from Strings
  • Be able to work with JavaScript Objects
  • Understand how JavaScript Arrays work
  • Create JSON object arrays

How it compares

Against the other 815 rated Udemy courses in Web Development on CourseDuck:

  • Rating4.2 out of 5higher than 13% of them
  • Reviews226#443 of 816 by number of reviews
  • Length1.4 hoursshorter than 93% of them
  • Last updatedNovember 2024earlier than 48% of them

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Course Description

JSON is the most popular format for data exchange between applications.  If you are interested in connected to a web API chances are its JSON formatted.  

Explore how JSON works and how to access the data contained within the JSON output.  This course shows you how to work with JSON formatted data, output content, loop JSON data, Parse JSON and a whole lot more.

JSON (JavaScript Object Notation) is a syntax for data.  JSON is easier to use than XML and human readable.   Most modern web APIs output data in JSON formats. 

Within this course you will learn
  • What JavaScript objects are and how to create them
  • How JavaScript objects can use Arrays to hold multiple items
  • How JavaScript arrays work and store data
  • See how data can be extracted out
  • Explore different methods of working with the JSON data stringify and parsing
  • Store and retrieve JSON data from storage
  • Use AJAX to retrieve external JSON data for use within JavaScript
  • Connect to various web APIs and output the response data into your web pages
  • All of the source code and resources are in included
  • Get started with JSON quickly 

Understanding the basics of JavaScript and how to create websites is a prerequisites to this course.  It covers working within JavaScript code to produce dynamic functionality.

For an instructor with over 18 years of real world web development experience.  Learning how to work with JSON is a key skill within modern web development.   JSON and APIs are everywhere, once you start working with them you will be amazed at what can be done with a few lines of code.

I'm here to help you learn about JSON and ready to answer any questions you may have.  Join now and bring some JSON data into you web applications today.
Read More Intermediate Intermediate Level product length iconTime: 1.4h

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Instructor Details

Laurence Svekis

Hi, I’m Laurence Svekis, and I’m here to help you learn smarter, build real skills, and confidently use AI and modern tools to create amazing things.

I’m a Google Developer Expert (GDE), international speaker, author, and educator specializing in AI-powered learning, Google Workspace automation, and practical development with Google Apps Script and JavaScript. I’ve been teaching online since 2002 and have helped over two million students worldwide develop real-world skills through hands-on courses, books, and workshops.

My passion is learning with AI—using AI not as a shortcut, but as a powerful learning partner. I focus on helping learners understand how things work, how to apply AI responsibly, and how to build tools that solve real problems. Many of my courses explore how AI can act as a tutor, assistant, or productivity booster inside everyday tools like Google Docs, Sheets, and Workspace.

I’m especially known for:

Google Apps Script & Google Workspace automation

Building AI-powered assistants and learning tools

JavaScript for real-world applications

Using AI to improve learning, productivity, and workflows

Read More

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Reviews

4.2

226 ratings on Udemy

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By Maksym Mohyla on 11/12/2025

A lot of deprecated stuff since this course is 8 years old. No practice. No engagement. Why do you have to show JQuery in JSON course? All information shown in videos can easilly be found with Google.

By Anton Som on 8/5/2025

Good course, but since it was made 8 years ago, many links to free APIs are obsolete. And it takes additional time to find alternatives. Therefore, I spent more time than I had planned to learn.

By Jon on 4/9/2019

This was super solid and what I expected. Your explanations were fairly easy to grasp ( maybe a smidge more about jQuery?) and the given examples trouble free, putting aside my own typos. It's my first time working with API's while still developing my javascript powers and this definitely helps me solve a problem for work. Maybe in the future you could add a section about how to deal with API's that require authorization?

By Daniel Doheny on 11/29/2018

I had no knowledge of using API's before this, so I wanted a short course to enable me to try different API's out. This course offered just that. I now feel i can try out other API's and play around with outputting to my web page. Very good course for anyone trying to get up and running with API's.

By David Parker on 10/18/2018

Watching the source code examples and with the provided source code examples, I was able to learn the JSON stuff quickly. The autogenerated captions are not very accurate thou.

By Tiago Valente on 4/23/2018

Great explanation however, this really focuses on accessing public APIs. Passing authentication is not something you will find here.

By Matt Slater on 6/14/2017

Another fantastic course from Laurence. Thanks you mate! I am building an application for work where I need to access JSON API's via REST. This course has helped me get and understanding of how I will access the API's, request and receive data, then traverse the response to find and access the information I want to display. Not only does the course provide everything outlined in the overview, it also gave me the tools I need to apply my learning to my particular problem. Here we go!

By Angel Gabriel Ramirez Alva RFC: RAAA7703 on 5/4/2017

Muy completo y al grano sin meter paja, te da las herramientas necesarias y el conocimiento para comenzar a trabajar con JSON inmediatamente terminando el curso sin tener que tomar otros más o buscar más referencias.

By Drew Conroy on 1/12/2017

Laurence does a great job of teaching you the little details that often gets over-looked. I am looking forward to going through his other tutorials. (He has several, you should check them out)

By JUAN GALLARDO on 12/21/2016

makes it so simple!!!!! so worth the money. and his voice is soothing, makes me feel at ease learning. i love that he shows a working example ASAP rather than drag things out with verbose bullshit about theory

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Overall Score : 84 / 100

Learn JSON with JavaScript Objects and APIs in 1 hour
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  • Video Duration: icon 1.4h
  • Price: $44.99
  • Provider: icon Udemy
  • Updated: icon November 2024
  • Level: Intermediate Intermediate
  • Language: icon English
  • Certificate: icon Yes
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