Lollipop MR1  |  5.1.0_r3
Html程序  |  18行  |  224 B 

<html>
<head>
<script>
window.addEventListener("message", messageReceived, false);

function messageReceived(event) {
  event.source.postMessage(event.data, "*");
}
</script>
</head>
<body>

Frame 2-2.
<br>

</body>
</html>