pxt-core/common-docs/javascript.md

Microsoft MakeCode provides Blocks / JavaScript / Python tools and editors

# JavaScript

The Microsoft MakeCode programming environment uses JavaScript along with the [Static TypeScript](https://makecode.com/language) language.

These topics give a brief introduction to JavaScript with MakeCode:

* **[Calling](/javascript/call)** - How to use a function
* **[Sequencing](/javascript/sequence)** - Ordering statements in code
* **[Variables](/javascript/variables)** - Remember data and save values
* **[Operators](/javascript/operators)** - Operations to change and compare values
* **[Statements](/javascript/statements)** - The elements of code that take action
* **[Functions](/javascript/functions)** - Portions of code to use again and again
* **[Types](/javascript/types)** - The identity of data
* **[Classes](/javascript/classes)** - Contain related data and operations together
* **[Interfaces](/javascript/interfaces)** - A regular way to work with a class
* **[Generics](/javascript/generics)** - Use different data with the same code