Javascript Reference - HTML DOM Option selected Property

The selected property sets or gets the selected state of an option.

Browser Support


`selected`	Yes	Yes	Yes	Yes	Yes

Syntax

Return the selected property.

var v = optionObject.selected

Set the selected property.

optionObject.selected=true|false

Property Values

Value	Description
true\|false	Set the select state. true - The option is selected false - Default. The option is not selected

Return Value

A Boolean type value, true if the option is selected, otherwise false.

Example

The following code shows how to change the selected option in a drop-down list to "A".


<!DOCTYPE html>
<html>
<body>
<!--   w w  w. j  a  va  2s. c o  m-->
<form>
Select your favorite fruit:
<select>
  <option id="C">C</option>
  <option id="A">A</option>
  <option id="P" selected>P</option> // Pre-selected
  <option id="B">B</option>
</select>
</form>
<button onclick="myFunction()">test</button>
<script>
function myFunction() {
    document.getElementById("A").selected = "true";
}
</script>

</body>
</html>

The code above is rendered as follows:

Example 2

The following code shows how to check if the "B" option in a drop-down list is selected.


<!DOCTYPE html>
<html>
<body>
<!--  ww w.java 2s.  co  m-->
Select your favorite fruit:
<br>
<select size="4">
  <option id="C" selected>C</option>
  <option id="A">A</option>
  <option id="P">P</option>
  <option id="B">B</option>
</select>
<button onclick="myFunction()">test</button>

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

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

</body>
</html>

The code above is rendered as follows: