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<!DOCTYPE html>
<html>
<body>
<form>
  <select name="selectName" id="mySelect">
    <option>Apple</option>
    <option>Pear</option>
    <option>Banana</option>
    <option>Orange</option>
  </select>
</form>
<p>Click the buttons below to display and/or change the value of the name attribute of the drop-down list.</p>
<button onclick="display()">Display name</button>
<button onclick="change()">Change name</button>
<script>
function display() {
  var x = document.getElementById("mySelect").name;
  alert("The name of the dropdown list is: " + x);
}
function change() {
  var x = document.getElementById("mySelect").name = "newName";
  alert ("The name was changed to: " + x);
}
</script>
</body>
</html>