Version 2.6

Learn More The ArcGIS API for JavaScript (JavaScript API) is a browser based API for developing high performance, easy to use mapping applications. The API allows you to easily embed maps in your Web pages. The JavaScript API is hosted by ESRI on ArcGIS Online and is available for free use, subject to the terms and conditions.

Basic Map Example

This map displays information about 100 mile runs in the United States on top of the ArcGIS Online World Topographic basemap. Click here to view a full page version of this map.