Overview
Current version: 4.18 December 2020. Release notes.
This guide describes how to use ArcGIS API for JavaScript to build compelling web apps that unlock your data’s potential with interactive user experiences and stunning 2D and 3D visualizations.
Where to start
If you are new to ArcGIS start with the mapping APIs and location services guide.
Follow the get started instructions to get the API and start developing.
Start building your appReview the key features of the ArcGIS API for JavaScript.
Learn about key features
Sample code
Explore our full collection of samples in our samples directory, or play around with one of the highlighted samples below.
Point clustering - advanced configuration
FeatureTable widget with popup interaction
Custom ElevationLayer - Exaggerating elevation
Query statistics client-side by distance
Line of sight widget
Sketch widget
Showcase
See how to combine functionality into interactive and compelling applications.
Tutorials
Display a map
Display your location
Add a point, line, and polyline
Add a feature layer
Find places
Display a web map
Blog
Summarize and explore point clusters in web apps
The ArcGIS API for JavaScript allows you to query point cluster features to display statistics, and other summary information to the user.
What's New in the ArcGIS API for JavaScript (version 4.18)
Learn about the latest updates including ES modules, cluster queries, layer effects, improved transparency and underground navigation, and more.
CIM Symbol Builder
Use the CIM Symbol Builder to design CIM symbols with a simple user interface and then copy the JSON into your custom web application.