Untitled

<!DOCTYPE html>
<html>
<body>

<h2>JavaScript Prompt</h2>

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>

<script>
function myFunction(){
var preference = prompt("Do you like potatoes?");
if (preference == "yes") {
  for(var i=1; i<=7; i++){
    var potatoes = "#";
      console.log(potatoes.repeat(i))
      }
  } else if(preference == "no"){
    alert("You are a disgrace")
} else {
    alert("I didn't understand.")
}

}
</script>

</body>
</html>