it-lab/try.html at master · Rd1997/it-lab · GitHub

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<!DOCTYPE html>
<html>
<body>

<p>How would you like your coffee?</p>

<form>
  <input type="radio" name="coffee" value="cream">With cream<br>
  <input type="radio" name="coffee" value="sugar">With sugar<br>
  <br>
  <input type="button" onclick="myFunction()" value="Send order">
  <br><br>
  <input type="text" id="order" size="50">
  <input type="submit" value="Submit">
</form>

<script>
function myFunction() {
    var coffee = document.forms[0];
    var txt = "";
    var i;
    for (i = 0; i < coffee.length; i++) {
        if (coffee[i].checked) {
            txt = txt + coffee[i].value + " ";
        }
    }
    document.getElementById("order").value = "You ordered a coffee with: " + txt;
}
</script>

</body>
</html>