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Select options Collection
Select Object
Definition and Usage
The options collection returns an array of all the options in a dropdown list.
Note: There will be one array element for each <option> tag - starting at 0.
Syntax
selectObject.options
Properties
| Property | Description |
|---|---|
| length | Returns the number of option elements in the collection |
| selectedIndex | Sets or returns the index of the selected option in a select object (starts at 0) |
Methods
| Method | Description |
|---|---|
| [index] | An integer that specifies the element to retrieve (starts at 0) |
| [add(element[,index])] | Adds an option element into the collection at the specified index. If no index is specified, it inserts the option element at the end of the collection |
| item(index) | Returns the element from the collection with the specified index |
| namedItem(name) | Returns the element from the collection with the specified name (name or id attribute) |
| remove(index) | Removes the element with the specified index from the collection |
Browser Support
The options collection is supported in all major browsers.
Example
Example
Loop through all options in the dropdown list, and output the text:
<html>
<head>
<script type="text/javascript">
function displayResult()
{
var x=document.getElementById("mySelect");
var txt="All options: ";
var i;
for (i=0;i<x.length;i++)
{
txt=txt + "\n" + x.options[i].text;
}
alert(txt);
}
</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()">Loop through all options</button>
</body>
</html>
<head>
<script type="text/javascript">
function displayResult()
{
var x=document.getElementById("mySelect");
var txt="All options: ";
var i;
for (i=0;i<x.length;i++)
{
txt=txt + "\n" + x.options[i].text;
}
alert(txt);
}
</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()">Loop through all options</button>
</body>
</html>
Try it yourself »
More Examples
Change the items in a dropdown list depending on the selected option in another dropdown list
Select Object
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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.
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.