<body>
<import src="../resources/event-sender.sky" as="eventSender" />
<style>
.blue {
  border: 2px solid blue;
}
</style>
<div class="blue" contenteditable></div>
<script>
var control = document.querySelector('.blue');
control.focus();
eventSender.keyDown('a');
eventSender.keyDown('b');
eventSender.done();
</script>
</body>