<!DOCTYPE html>
<html>
<body>
<p>Click the button to create an OBJECT element with an embedded flash file.</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
var x = document.createElement("OBJECT");
x.setAttribute("data", "helloworld.swf");
x.setAttribute("width", "400");
x.setAttribute("height", "400");
document.body.appendChild(x);
}
</script>
</body>
</html>