What’s new to the ArcGIS API for
JavaScript
Matthew Lewis, Esri UK

Session overview
It’s only a 20 minute session. In summary:
• In summary, new since last Esri UK Annual Conference
- Demo’s and samples
• What’s coming/upcoming features
• Refreshed - Developers.arcgis.com
• Majority of samples can be found at -- https://developers.arcgis.com/javascript/latest/sample-code
Esri UK Annual Conference 2018 | London

Performance
Esri UK Annual Conference 2018 | London
WebGL 2D Renderer

Performance
Esri UK Annual Conference 2018 | London
Scene layer (i3s) performance
Improvements.
• Also i3s became an open standard!

Performance
Esri UK Annual Conference 2018 | London
Mobile support 2D and 3D
- Profile quality now available – Low, Medium and High

Ease of coding: Autocasting
Esri UK Annual Conference 2018 | London

Ease of coding: Better support for ES promises
Esri UK Annual Conference 2018 | London
Prior to 4.7, the WebMap, WebScene, MapView, SceneView, Basemap, Ground,
Layer, and LayerView classes were not compatible with ES Promises.

Ease of coding: Package managers!
Esri UK Annual Conference 2018 | London
You can now use: npm, bower, yarn and webpacks to create custom builds of the
ArcGIS API for JavaScript.

Ease of coding: Client-side projection
Esri UK Annual Conference 2018 | London
Known Limitations
The browser must support WebAssembly
for the client-side engine to work.
Only equation-based geographic
transformations are supported.

Widgets: CoordinateConversion
Esri UK Annual Conference 2018 | London

Esri UK Annual Conference 2018 | London
Widgets: Horizontal & vertical legend

Widgets: Measurement in 3D
Esri UK Annual Conference 2018 | London

Esri UK Annual Conference 2018 | London
New: Edge renderer

Coming soon
Different edge renderers… For example wireframing 3D mesh.
Different Lighting conditions/more customization.
Mobile scene packages/more offline/local JavaScript support.
Different styling options
Dot density, new heatmap renderer
Full editing capabilities
Esri UK Annual Conference 2018 | London

Session conclusion
• Now we’ve seen some snippets of what’s currently possible since last year.
• What’s possibly coming soon.
Esri UK Annual Conference 2018 | London

Thanks for listening
• More information can be found here
• https://developers.arcgis.com/
- Guide -> Release Notes
• Please rate the session on the Esri UK Annual Conference app
Esri UK Annual Conference 2018 | London