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<html>
<body>
<iframe id="target" srcdoc="
<ul id='results'></ul>
<script>
window.addEventListener('message', (event) => {
if (event.data && event.data.obj)
window.webkit.messageHandlers.testHandler.postMessage(event.data.name + ': ' + event.data.obj.constructor.name);
else
window.webkit.messageHandlers.testHandler.postMessage(event.data.name + ': FAIL');
}, false);
</script>
"></iframe>
<script>
const target = document.getElementById("target");
setTimeout(() => {
target.contentWindow.postMessage(
{
name: "Object",
obj: { }
},
"*",
[]
);
const buf = new ArrayBuffer(8);
target.contentWindow.postMessage(
{
name: "ArrayBuffer",
obj: buf
},
"*",
[buf]
);
const canvas = new OffscreenCanvas(10, 10);
target.contentWindow.postMessage(
{
name: "OffscreenCanvas",
obj: canvas
},
"*",
[canvas]
);
const channel = new MessageChannel();
target.contentWindow.postMessage(
{
name: "MessagePort",
obj: channel.port2
},
"*",
[channel.port2]
);
}, 1000);
</script>
</body>
</html>
|
