[AppleScript] Select next message in Outlook 2016 (in Javascript)

OutlookSelectNext.scpt

var outlook = Application('Microsoft Outlook')

var selectedMessageList = outlook.currentMessages()
for ( m of selectedMessageList) {
	console.log( "selectedMessageList: " + m.id())
}


var lastSelectedMessage = selectedMessageList[selectedMessageList.length-1] //set lastMessage to last item of msgList
console.log (lastSelectedMessage.subject())

var messagesInInbox = outlook.inbox.messages()
console.log( "Message count in Inbox: " + messagesInInbox.length)

// Find next message after selection
var nextMessage
for (var i = 0; i < messagesInInbox.length; i++) {
	if( messagesInInbox[i].id() == lastSelectedMessage.id() ) {
		console.log( "Found message")
		nextMessage = messagesInInbox[ i + 1]
		break
	}
}

console.log( "Next message: " + nextMessage.id() + " subject: " + nextMessage.subject())

var account = lastSelectedMessage.account() 

outlook.selection = nextMessage