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<!DOCTYPE html>
<html>
<body>
​
A hidden input field:
<input type="hidden" id="myInput" name="country" value="Norway">
​
<p>Click the buttons to display and/or change the value of the name attribute of the hidden input field.</p>
​
<button onclick="display()">Display name</button>
<button onclick="change()">Change name</button>
​
<script>
function display() {
  var x = document.getElementById("myInput").name;
  alert("The name of the hidden input field is: " + x);
}
​
function change() {
  var x = document.getElementById("myInput").name = "newName";
  alert ("The name was changed to: " + x);
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_hidden_name2 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:17:17 GMT -->
</html>
​
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