There is a popular saying in the industry that “any application that can be written in JavaScript will eventually be written in JavaScript”, and this is Atwood’s law. JavaScript is almost everywhere, and its popularity continues to grow. Recently, Microsoft has released a total of 51 free teaching videos based on Python beginners series. < / P > < p > throughout the course, Microsoft helps users set up the development environment using visual studiocode Node.js Install as JavaScript runtime, and then go straight to create the “Hello world” application. JavaScript syntax is provided in the course, and more advanced topics, including objects and programming with asynchronous capabilities, are gradually explored. Finally, the course explores the JavaScript ecosystem and the large number of packages and libraries available on NPM. < / P > < p > at the beginning of this course, Microsoft will also introduce (many) places where JavaScript can be run, including browsers and Node.js Server. Although the focus of this course is mainly on the use of Node.js As an execution environment, but most videos introduce concepts and syntax that are also valid in browsers. Global Tech