All the fundamental React.js concepts, jammed into this single Medium article

This article is not going to cover what React is or why you should learn it. Instead, this is a practical introduction to the fundamentals of React.js for those who are already familiar with JavaScript and know the basics of the DOM API.

All code examples below are labeled for reference. They are purely intended to provide examples of concepts. Most of them can be written in a much better way.

https://medium.freecodecamp.org/all-the-fundamental-react-js-concepts-jammed-into-this-single-medium-article-c83f9b53eac2

Your Social Media Fingerprint

Photo published for Your Social Media Fingerprint

Without your consent most major web platforms leak whether you are logged in. This allows any website to detect on which platforms you’re signed up. Since there are lots of platforms with specific demographics an attacker could reason about your personality, too.

https://robinlinus.github.io/socialmedia-leak/