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<!DOCTYPE html> <html> <body> <h1>The Document Object</h1> <h2>The open() and close() Methods</h2> <p>Click "Open" to open this document, write some text to it and close it:</p> <button onclick="myFunction()">Open</button> <script> function myFunction() { document.open(); document.write("<h1>Hello World</h1>"); document.write("<p>Open a document owerwrites the original content.</p>"); document.close(); } </script> </body> </html>
