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Select options Collection
Select Object
Definition and Usage
The options collection returns a collection 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>
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>
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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