<html>
<body>
<p>Click the button to find out if the onclick event is a cancelable event.</p>
<button onclick="myFunction(event)">Try it</button>
<p id="demo"></p>
<script>
function myFunction(event) {
var x = event.cancelable;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
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</html>