Find out if the "banana" option in a drop-down list is selected:
var x = document.getElementById("banana").selected;
Click the button to return whether the banana option is selected.
<!DOCTYPE html> <html> <body> Select your favorite: <br> <select size="4"> <option id="apple" selected>Apple</option> <option id="orange">Orange</option> <option id="pineapple">Pineapple</option> <option id="banana">Banana</option> </select>/*from w w w. j a v a2s . c o m*/ <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("banana").selected; document.getElementById("demo").innerHTML = x; } </script> </body> </html>