This tutorial shows how to use the Instagram API with JavaScript, specifically using Nuxt.js as the framework. The author of the article provides a step-by-step guide on setting up the environment, installing necessary packages, and creating a user interface to access the Instagram API with JavaScript. They also cover topics such as caching data, formatting the output, and displaying the results in a JSON viewer. The tutorial concludes by providing advice on best practices for building an application using Nuxt.js and the Instagram API.