Javascript DOM HTML OptionGroup label Property get

Introduction

Return the label/description of an option-group: 

var x = document.getElementById("myOptgroup").label;

Click the button to return the value of the label attribute of the option-group.

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<!DOCTYPE html>
<html>
<body>
<select size="6">
  <option value="CSS">CSS</option>
  <option value="c++">C++</option>
  <optgroup id="myOptgroup" label="Programming Language">
    <option value="javascript">Javascript</option>
    <option value="html">HTML</option>
    <option value=""sql">SQL</option>
  </optgroup>
</select>//w ww  . j a v  a  2s  . com
<button onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {
  var x = document.getElementById("myOptgroup").label;
  document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>



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