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<!DOCTYPE html> <html> <body> <h3>A demonstration of how to access a LI element</h3> <ol> <li id="myLi">Coffee</li> <li>Tea</li> <li>Milk</li> <li>Water</li> </ol> <p>Click the button to set the list items to increment from the number "300" instead of "1".</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { var x = document.getElementById("myLi"); x.value = "300"; } </script> </body> </html>