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HTML DOM disabled Property

Complete Option Object Reference

Definition and Usage

The disabled property sets or returns whether or not an option in a dropdown list should be disabled by default.

Note: The disabled attribute does not work properly in IE.

Syntax

optionObject.disabled=true|false

Example

The following example alerts if the chosen fruit is disabled by default:

<html>
<head>
<script type="text/javascript">
function alertDefaultDisabled()
  {
  var x=document.getElementById("mySelect").selectedIndex;
  var y=document.getElementsByTagName("option");
  alert("Is " + y[x].text + " disabled by default? " + y[x].disabled);
  }
</script>
</head>
<body>

<form>
Select your favorite fruit:
<select id="mySelect">
<option>Apple</option>
<option>Orange</option>
<option disabled="disabled">Pineapple</option>
<option>Banana</option>
</select>
<br />
<br />
<input type="button" onclick="alertDefaultDisabled()"
value="Is the chosen fruit disabled by default?">
</form>

</body>
</html>

Try-It-Yourself Demos

Check if an option is disabled by default

Disable an option by id

Complete Option Object Reference

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