# Introduction to the Earth Engine JavaScript API

Welcome to the introductory tutorial for the Google Earth Engine JavaScript API. This
tutorial provides examples of how to use Earth Engine to analyze geospatial raster and
vector data. By the end of the tutorial, you will have seen most of the basic
functionality of the Earth Engine API.

## Prerequisites

- [Register for Earth Engine](https://console.cloud.google.com/earth-engine).
- If you are unfamiliar with JavaScript, check out the [JavaScript for Earth Engine tutorial](https://developers.google.com/earth-engine/tutorials/tutorial_js_01) before proceeding.
- Get familiar with the [Earth
  Engine Code Editor](https://code.earthengine.google.com), the IDE for writing Earth Engine JavaScript code in a web browser. Learn more about the Code Editor [here](https://developers.google.com/earth-engine/guides/playground).

Once you're familiar with JavaScript and the Code Editor, visit the next page to learn about
visualizing images and image bands.
[Next page](https://developers.google.com/earth-engine/tutorials/tutorial_api_02)