Javascript DOM HTML Input Radio value Property set

Introduction

Change the value attribute of a radio button: 

document.getElementById("myRadio").value = "newRadioBtnValue";

Click the buttons below to display and change the value attribute of the radio button.

View in separate window 

<!DOCTYPE html>
<html>
<body>

<input type="radio" name="colors" value="red" id="myRadio">Red color
<p id="demo"></p>
<button onclick="display()">Display name</button>
<button onclick="change()">Change name</button>

<script>
function display() {
  var x = document.getElementById("myRadio").value;
  document.getElementById("demo").innerHTML = "The value of the radio button is: " + x;
}

function change() {/*from   w  w w  .j  a  v a  2 s  .  c  o m*/
  var x = document.getElementById("myRadio").value = "newRadioBtnValue";
  document.getElementById("demo").innerHTML = "The value was changed to: " + x;
}
</script>

</body>
</html>



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