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<!DOCTYPE html> <html> <body> <p>Click the button to display a dialog box which will ask for your favorite drink.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var text; var favDrink = prompt("What's your favorite cocktail drink?", "Daiquiri"); switch(favDrink) { case "Martini": text = "Excellent choice. Martini is good for your soul."; break; case "Daiquiri": text = "Daiquiri is my favorite too!"; break; case "Cosmopolitan": text = "Really? Are you sure the Cosmopolitan is your favorite?"; break; default: text = "I have never heard of that one.."; } document.getElementById("demo").innerHTML = text; } </script> </body> </html>