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JS & DOM Reference

Overview

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Option defaultSelected Property

Option Object

Definition and Usage

The defaultSelected property returns the default value of the selected attribute.

This property returns true if an option is selected by default, otherwise it returns false.

Note: If an option is selected by default, it is displayed first in the dropdown list.

Syntax

optionObject.defaultSelected

Browser Support

The defaultSelected property is supported in all major browsers.

Example

Check if the selected option is checked by default:

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

<form>
Select your favorite fruit:
<select id="mySelect">
<option>Apple</option>
<option>Orange</option>
<option selected="selected">Pineapple</option>
<option>Banana</option>
</select>
</form>

<button type="button" onclick="displayResult()">Is selected fruit selected by default?</button>

</body>
</html>

Try it yourself »

Option Object