The Select object represents an HTML <select> element.
You can access a <select> element by using getElementById():
チップ: You can also access a Select object by searching through the elements collection of a form.
You can create a <select> element by using the document.createElement() method:
Collection | 説明 |
---|---|
options | Returns a collection of all the options in a drop-down list |
Property | 説明 |
---|---|
disabled | Sets or returns whether the drop-down list is disabled, or not |
form | Returns a reference to the form that contains the drop-down list |
length | Returns the number of <option> elements in a drop-down list |
multiple | Sets or returns whether more than one option can be selected from the drop-down list |
name | Sets or returns the value of the name attribute of a drop-down list |
selectedIndex | Sets or returns the index of the selected option in a drop-down list |
size | Sets or returns the value of the size of a drop-down list |
type | Returns which type of form element a drop-down list is |
value | Sets or returns the value of the selected option in a drop-down list |
Method | 説明 |
---|---|
add() | Adds an option to a drop-down list |
remove() | Removes an option from a drop-down list |
The Select object also supports the standard properties and events.
HTML tutorial: HTML Forms
HTML reference: HTML <select> tag