Ever had to make a video call right on your browser with Google Meet, Zoom, or any other video chat app? Well, here’s what you might have never thought to ask—how does it work?

Well, there are a number of things that make a real-time video chat application fully functional on the web. In this article, we’ll explore how you can access media content through your device’s camera. And we’ll build a camera app in the course of our exploration.

Let’s face it, using the MediaStream API to build a camera application does not tell the whole story. But here’s what I can promise you: we are taking the first step in the right direction.

Before we begin, have a peek at what you should be able to create by the end of this article. Now that you are all geared up, let’s get to work!

This article was originally published on FreeCodeCamp. To read it in full, click here.