This app demonstrates the different options of ValueHelp in OpenUI5 / SAPUI5 applictions.
run it locally with e.g. denos file_server.
- cd into
webappfolder - run
file_server
If no data is displayed call this URL and press the button that is displayed.
It's text is something like "confirm temporarily access to this service".
After done that you can refresh the page of the application in your browser.
This seems to be necessary to run the cors-anywhere servcie.