ArcGIS API for Javascript

Background
The ArcGIS API for JavaScript is an Application Programming Interface using the scripting language JavaScript. This API can be used to consume ArcGIS Server REST services, which are available with ArcGIS Server version 9.3 and above. The API can be used to embed interactive maps in webpages.

History
Version 1.5 of ArcGIS API for JavaScript is the current release and was introduced on October 2, 2009.

Objectives
This technology provides a lightweight framework for web clients to access ArcGIS Server services. Javascript is a relatively simple programming language and compatible with most web browsers.