my teacher sent me an excercise and I need help to solve it. It's about making a shopping list. When you press the button cancel, the elements you add should be displayed on the website but it doesn't happen. Please, I need help.
<body>
<h1>SHOPPING EVERYWHERE!</h1>
<script>
var lista = prompt('Introduce element to add');
while (lista != null) {
document.write('<li>' lista '</li>');
l = prompt('Introduce element to add');
}
</script>
</body>
CodePudding user response：
The variable lista will never change in the loop because you never change the variable lista. I think your issue was that you wrote l in the loop and not lista, so may write:
<body>
<h1>SHOPPING EVERYWHERE!</h1>
<script>
var lista = prompt('Introduce element to add');
while (lista != null) {
document.write('<li>' lista '</li>');
lista = prompt('Introduce element to add');
}
</script>
</body>