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HTML DOM Select Object
Select Object
The Select object represents a dropdown list in an HTML form.
A dropdown list lets a user select one or more options of a limited number of choices.
For each <select> tag in an HTML form, a Select object is created.
You can access a Select object by searching through the elements[] array of a form, or by using document.getElementById().
Note: The Select object can also use the properties/methods of:
Select Object Collections
W3C: W3C Standard.
| Collection | Description | W3C |
|---|---|---|
| options | Returns a collection of all the options in a dropdown list | Yes |
Select Object Properties
| Property | Description | W3C |
|---|---|---|
| disabled | Sets or returns whether the dropdown list is disabled, or not | Yes |
| form | Returns a reference to the form that contains the dropdown list | Yes |
| length | Returns the number of options in a dropdown list | Yes |
| multiple | Sets or returns whether more than one item can be selected from the dropdown list | Yes |
| name | Sets or returns the name of a dropdown list | Yes |
| selectedIndex | Sets or returns the index of the selected option in a dropdown list | Yes |
| size | Sets or returns the number of visible options in a dropdown list | Yes |
| type | Returns which type of form element a dropdown list is | Yes |
Select Object Methods
| Method | Description | W3C |
|---|---|---|
| add() | Adds an option to a dropdown list | Yes |
| remove() | Removes an option from a dropdown list | Yes |
Standard Properties and Events
The Select object also supports the standard properties and events.
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