EN
此内容没有您的语言版本,但有英语版本。

multiple attribute | multiple property

Sets or retrieves the Boolean value indicating whether multiple items can be selected from a list.

HTML 4.01 Specification, Section 17.6

 

Syntax

HTML<element multiple="p" ... >
JavaScript

p = object.multiple

 

Property values

Type: Boolean

false (false)

Default. Multiple items cannot be selected.

true (true)

Multiple items can be selected.

Standards information

Examples

This example uses the multiple attribute and the multiple property to switch between allowing the user to select one item or multiple items from a list.

Code example: http://samples.msdn.microsoft.com/workshop/samples/author/dhtml/refs/multiple.htm


<select id="oSelect" multiple>
<option>Item 1</option>
<option>Item 2</option>
<option>Item 3</option>
</select> :<button onclick="oSelect.multiple=false">One</button>
<button onclick="oSelect.multiple=true">Many</button>

See also

select
type

 

 

显示:
© 2015 Microsoft