# Getting Started
Coda is a JavaScript library build upon a reactive programming paradigm for movement signal processing and interaction design.
If you are not familiar with Web development and JavaScript, check out JavaScript in 14 minutes by Jeremy Thomas for a very brief introduction. Other interesting (and more complete) ressources include:
- The web development course of the Mozilla Developer Network,
- The Modern JavaScript Tutorial,
- Eloquent JavaScript,
- The FreeCodeCamp course
# Using the live-coding editor
The easiest way to get started with coda.js is to play around the live-coding environment. Nothing needs to be installed, you just need a recent browser (Chrome or Firefox are recommended). A hosted version of the playground is available online: https://playcoda.netlify.com.
TIP
The playground allows to interpret statements interactively. There are two shortcuts to know:
ALT+ENTERexecutes the entire block where the pointer is situatedCTRL+ENTERexecutes the current selection (or the current line only, if no text is selected).
WARNING
Note that the hosted version has limitations regarding the use of movement sensors, that usually require that you run the environment on your own computer.