Javascript DOM HTML Input Hidden name Property set

Introduction

Change the name of a hidden input field: 

document.getElementById("myInput").name = "newName";

Click the buttons to display/change the value of the name attribute of the hidden input field.

View in separate window 

<!DOCTYPE html>
<html>
<body>

A hidden input field:
<input type="hidden" id="myInput" name="country" value="Norway">
<p id="demo"></p>
<button onclick="display()">Display name</button>
<button onclick="change()">Change name</button>

<script>
function display() {
  var x = document.getElementById("myInput").name;
  document.getElementById("demo").innerHTML = "The name of the hidden input field is: " + x;
}

function change() {//  ww  w. ja va2s  .  c o m
  var x = document.getElementById("myInput").name = "newName";
  document.getElementById("demo").innerHTML = "The name was changed to: " + x;
}
</script>

</body>
</html>



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