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<!DOCTYPE html> <html> <body> <form> Select your favorite fruit: <select id="mySelect"> <option value="apple">Apple</option> <option value="orange">Orange</option> <option value="pineapple">Pineapple</option> <option value="banana">Banana</option> </select> </form> <p>Click the button to change the selected fruit to banana.</p> <button type="button" onclick="myFunction()">Try it</button> <script> function myFunction() { document.getElementById("mySelect").value = "banana"; } </script> </body> </html>