4 - Get JSON with the JavaScript fetch method - JSON APIs and AJAX - freeCodeCamp Tutorial

At 7.03 I meant return as a promise with a JavaScript Object!
We look at fetching JSON data, this time with a fetch() method. We first look at promises, for which we can register functions to run when the promise has been resolved, using the then() method.

0:00 - Challenge
0:55 - Introduction to Promises
2:33 - Response Objects
6:07 - Challenge Solution

Concepts:
fetch()
The fetch() method of the WindowOrWorkerGlobalScope mixin starts the process of fetching a resource from the network, returning a promise which is fulfilled once the response is available. The promise resolves to the Response object representing the response to your request.

Promise
The Promise object represents the eventual completion (or failure) of an asynchronous operation, and its resulting value.

Response

json()
The json() method of the Body mixin takes a Response stream and reads it to completion. It returns a promise that resolves with the result of parsing the body text as JSON.

stringify()
The JSON.stringify() method converts a JavaScript object or value to a JSON string, optionally replacing values if a replacer function is specified or optionally including only the specified properties if a replacer array is specified.
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JSON (JavaScript Object Notation) is an open standard file format, and data interchange format, that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and array data types.

Ajax is a set of web development techniques using many web technologies on the client side to create asynchronous web applications. With Ajax, web applications can send and retrieve data from a server asynchronously without interfering with the display and behavior of the existing page.

freeCodeCamp (also referred to as “Free Code Camp”) is a non-profit organization that consists of an interactive learning web platform, an online community forum, chat rooms, online publications and local organizations that intend to make learning web development accessible to anyone. Beginning with tutorials that introduce students to HTML, CSS and JavaScript, students progress to project assignments that they complete either alone or in pairs. Upon completion of all project tasks, students are partnered with other nonprofits to build web applications, giving the students practical development experience.

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