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Select selectedIndex Property
Select Object
Definition and Usage
The selectedIndex property sets or returns the index of the selected option in a dropdown list.
The index starts at 0.
Note: If the dropdown list allows multiple selections it will only return the index of the first option selected.
Syntax
Set the selectedIndex property:
selectObject.selectedIndex=integer
Return the selectedIndex property:
selectObject.selectedIndex
Browser Support
The selectedIndex property is supported in all major browsers.
Example
Example
Display the index and text of the selected option in the dropdown list:
<html>
<head>
<script type="text/javascript">
function displayResult()
{
var x=document.getElementById("mySelect").selectedIndex;
var y=document.getElementById("mySelect").options;
alert("Index: " + y[x].index + " is " + y[x].text);
}
</script>
</head>
<body>
<form>
Select your favorite fruit:
<select id="mySelect">
<option>Apple</option>
<option>Orange</option>
<option>Pineapple</option>
<option>Banana</option>
</select>
</form>
<button type="button" onclick="displayResult()">Display index</button>
</body>
</html>
<head>
<script type="text/javascript">
function displayResult()
{
var x=document.getElementById("mySelect").selectedIndex;
var y=document.getElementById("mySelect").options;
alert("Index: " + y[x].index + " is " + y[x].text);
}
</script>
</head>
<body>
<form>
Select your favorite fruit:
<select id="mySelect">
<option>Apple</option>
<option>Orange</option>
<option>Pineapple</option>
<option>Banana</option>
</select>
</form>
<button type="button" onclick="displayResult()">Display index</button>
</body>
</html>
Try it yourself »
Select Object
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Copyright 1999-2012 by Refsnes Data. All Rights Reserved.
Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.
While using this site, you agree to have read and accepted our terms of use and privacy policy.
Copyright 1999-2012 by Refsnes Data. All Rights Reserved.