Send game score to calling site

[UnsignedArduino]

Sending simulator messages (such as when the user wins the game) to the outside of the iframe may be useful here:

Extension to interact with the web in exported games

Let’s start with the demo: an exported Arcade game that opens a new browser tab. In general, Arcade games are completely sandboxed… So how can we open a new tab? Let’s take a look. The control.simmessages is a new API added in Arcade to support the JACDAC simulator… but you can use it too in GitHub Pages. simmessages allow to send or receive a data payload to the hosting iframe of the simulator (those messages are ignored on hardware). In arcade.makecode.com, you are not allowed to inject c…