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<!DOCTYPE html> <html> <body> <h3>A demonstration of how to access a HR element</h3> <hr id="myHR"> <p>Click the button to hide the HR element.</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { var x = document.getElementById("myHR"); x.style.display = "none"; } </script> </body> </html>