GraphQL is an open source server-side technology which was developed by Facebook to optimize RESTful API calls. It is an execution engine and a data query language. This tutorial will introduce you to the fundamental concepts of GraphQL including −

• Implement GraphQL API using Apollo server

• Test GraphQL API using GraphiQL

• Build ReactJS (with Apollo Client library) and jQuery client applications to consume the API

Audience

This tutorial is created for developers who have worked on JavaScript applications based on Client-Server architecture. After completing this tutorial, you will be able to build moderately complex GraphQL APIs for mobile and web applications.

Prerequisites

This course is based on NodeJs and Express. So, if you have a basic understanding of NodeJS, it will be easy to learn GraphQL. For frontend integration of GraphQL, we will be using ReactJs and Jquery. Since, illustrations in this tutorial uses EcmaScript 6 (ES6) syntax, knowledge in these areas can be helpful.