PETUpkeepPhaseActions
- class modules.js.Action.PETUpkeepPhaseActions()
 - modules.js.Action.PETUpkeepPhaseActions.PETUpkeepPhaseActions
 constructor
- modules.js.Action.PETUpkeepPhaseActions.discardCards(evt)
 Callback function to discard cards during the upkeepPhase state
First the functions checks whether the action is possible, then check if the user has selected the correct number of cards, then send the ids to the back-end (separated by ;)
- Arguments
 evt – event sent by the button click