ArcGIS API for JavaScript 3.19

Build Compelling 2D Web Mapping Apps

The ArcGIS API for JavaScript is designed to maximize your productivity for building engaging, beautiful web mapping applications. The API combines modern web technology and powerful geospatial capabilities enabling you to create high-performing apps and smarter visualizations of your data.

Use the API

Reference the ArcGIS JavaScript API from our CDN and you are ready to get started:

<link rel="stylesheet" href="https://js.arcgis.com/3.19/esri/css/esri.css">
<script src="https://js.arcgis.com/3.19/"></script>

Your first map

require(["esri/map", "dojo/domReady!"], function(Map) {
  var map = new Map("map", {
    center: [-118, 34.5],
    zoom: 8,
    basemap: "topo"
  });
});

Get Started Samples API Reference

Version 4.2

Want to build a 3D web app with the next generation JavaScript API?

Go to 4.2

Choosing a version

ArcGIS Integration

The API makes it easy to get access to the full range of rich capabilities in the ArcGIS platform.

Map-based Visualization

Turn your raw data into information with simple layer styling, rich pop-up windows, and interactive data-driven visualizations.

Any Screen, Any Browser

Whether you're creating apps for mobile devices or desktops, use the API to develop great mapping apps.

HTML5 and CSS3

Leverage modern browser capabilities to increase the performance and flexibility of your mapping apps.

JS SDK Overview