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Select add() Method
Select Object
Definition and Usage
The add() method is used to add an option to a dropdown list.
Syntax
selectObject.add(option,before)
| Parameter | Description |
|---|---|
| option | Required. Specifies the option to add. Must be an option or optgroup element |
| before | Required. Where to insert the new option (null indicates that the new option will be inserted at the end of the list) |
Browser Support
The add() method is supported in all major browsers.
Tip: For this method to work in IE8 and higher, add a !DOCTYPE
declaration to the page. Also notice the extra code for IE prior version 8.
Example
Example
Insert a "Kiwi" option at the end of the dropdown list:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script>
function displayResult()
{
var x=document.getElementById("mySelect");
var option=document.createElement("option");
option.text="Kiwi";
try
{
// for IE earlier than version 8
x.add(option,x.options[null]);
}
catch (e)
{
x.add(option,null);
}
}
</script>
</head>
<body>
<form>
<select id="mySelect">
<option>Apple</option>
<option>Pear</option>
<option>Banana</option>
<option>Orange</option>
</select>
</form>
<button type="button" onclick="displayResult()">Insert option</button>
</body>
</html>
<html>
<head>
<script>
function displayResult()
{
var x=document.getElementById("mySelect");
var option=document.createElement("option");
option.text="Kiwi";
try
{
// for IE earlier than version 8
x.add(option,x.options[null]);
}
catch (e)
{
x.add(option,null);
}
}
</script>
</head>
<body>
<form>
<select id="mySelect">
<option>Apple</option>
<option>Pear</option>
<option>Banana</option>
<option>Orange</option>
</select>
</form>
<button type="button" onclick="displayResult()">Insert option</button>
</body>
</html>
Try it yourself »
More Examples
Add an option before a selected option in a dropdown list
Select Object
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