Name
Select
Synopsis
form
.elements[i
]form
.elements[element_name
]form
.element_name
Properties
The Select object defines properties for each of the attributes
of the HTML <select>
tag,
such as disabled
, multiple
, name
, and size
. In addition, it defines the following
properties:
form
The Form object that contains this Select object. Read-only.
length
A read-only integer that specifies the number of elements in the
options[ ]
array. The value of this property is the same asoptions.length
.options[ ]
An array of Option objects, each describing one of the options displayed within the Select element. You can shorten the set of options by setting the
options.length
property to a smaller value (or remove all options by setting it to zero). You can remove individual options by setting an element of the array tonull
â this shifts the elements above it down, shortening the array. You can append options to the Select object by using theOption( )
constructor to create a new Option and assigning it tooptions[options.length]
.selectedIndex
A read/write integer that specifies the index of the selected option within the Select object. If no option is selected,
selectedIndex
is-1
. If more than one option is selected,selectedIndex
specifies the index of the first one only. Setting this property causes all other options to become deselected. Setting it to-1
causes all options to be deselected.type
A read-only string property that specifies the type of the element. If the Select object allows only a single ...
Get JavaScript Pocket Reference, 2nd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.