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<!DOCTYPE html> <html> <body> <p>Select a new car from the list.</p> <select id="mySelect" onchange="myFunction()"> <option value="Audi">Audi <option value="BMW">BMW <option value="Mercedes">Mercedes <option value="Volvo">Volvo </select> <p>When you select a new car, a function is triggered which outputs the value of the selected car.</p> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("mySelect").value; document.getElementById("demo").innerHTML = "You selected: " + x; } </script> </body> </html>