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• https://developers.arcgis.com/web-appbuilder/guide/getstarted.htm

• https://developers.arcgis.com/web-appbuilder/guide/build-your-first-app.htm

• https://developers.arcgis.com/web-appbuilder/guide/get-started.htm

Tips

Getting started

• When running Web AppBuilder, use your lower case machine name or FQDN instead of localhost or an IP address

• Ensure CORS settings are clear in the target ArcGIS Enterprise, or that your machine name/FQDN above is white listed

  • Organization → Edit Settings → Security → Allow OrigingsOrigins

Editing Widgets

https://gis.stackexchange.com/questions/246253/refreshing-web-appbuilder-widget-during-development