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<!DOCTYPE html> <html> <head> <title>Page Title</title> <script> function myFunction() { document.getElementById("demojavascrpt").innerHTML = "Hello JavaScript!"; } </script> </head> <body> <h1>My Web Page</h1> <p id="demojavascrpt">A Paragraph</p> <button type="button" onclick="myFunction()">Click Here</button> </body> </html>
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