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<!DOCTYPE html>
<html>
<body>
<p>
<button onclick="test()">Test</button>
</p>
<script>
let _element;
function elementType()
{
return _element.toString();
}
function test(elementType)
{
_element = document.createElement(elementType);
_element.onerror = (event) => {
if (window.webkit)
window.webkit.messageHandlers.testHandler.postMessage('error');
}
_element.oncanplay = (event) => {
if (window.webkit)
window.webkit.messageHandlers.testHandler.postMessage('canplay');
}
_element.controls = "true"
_element.src = "test.mp4";
document.body.appendChild(_element);
}
</script>
</body>
</html>
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