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<!DOCTYPE html> <html> <head> <title>HTML DOM Objects</title> </head> <body> <p>Click the button to change the text of the document's title.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { document.getElementsByTagName("TITLE")[0].text = "A new title text.."; document.getElementById("demo").innerHTML = "The text of the document's title was changed from 'HTML DOM Objects' to 'A new title text..'."; } </script> </body> </html>