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<!DOCTYPE html> <html> <body> <ol id="myList"> <li>Tea</li> <li>Milk</li> <li>Water</li> </ol> <p>Click the button to create a LI element.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x = document.createElement("LI"); var t = document.createTextNode("Coffee"); x.appendChild(t); document.getElementById("myList").appendChild(x); } </script> </body> </html>