Fireship is a youtube channel that makes tutorials for just about everything computer related. Their most popular type of content is "100 seconds of code": A segment in which a programming language is breifly covered in 100 seconds. They also create content on relavent news in the tech world. They cover news about all major companies and all the things they are currently doing.
This video covers all the basic concepts of the Javascript programming language in 100 seconds. It begins by introducing the creator of Javascript, and some history such as why it was originally created. The video then goes on to explain the use cases of Javascript on the web and how it is used in different devices. After that, the video explains how to create your first Javascript project in VSCode and the syntax of it. Finally, the webserver applications using NodeJS are briefly explained.