Demo applications of ArcGIS API for JavaScript 4.0

Accessors

http://jsbin.com/perovey/2/edit?js,output

http://jsbin.com/xubedu/1/edit?js,output

http://jsbin.com/sodeda/1/edit?js,output

Maps and Views

http://jsbin.com/hiyanurolo/1/edit?js,output

http://jsbin.com/yenanidobi/1/edit?js,output

Promises

http://jsbin.com/xigona/1/edit?js,output

fromJSON

http://jsbin.com/ferope/3/edit?js,output

LayerViews

http://jsbin.com/perovey/8/edit?js,output

Collections

http://jsbin.com/juzeqe/3/edit?js,output

VectorTiles

http://jsbin.com/jolume/1/edit?html,output

View Models

http://odoe.net/blog/view-models-in-arcgis-js-api/

For more details check out my blog at odoe.net