<html>
<body>
<p>Click the button to open an output stream, add some text, and close the output stream.</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
document.open("text/html", "replace");
document.write("<html><body><p>Hello World!</p></body></html>");
document.close();
}
</script>
</body>
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_doc_open by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:02:16 GMT -->
</html>