MULTIPLE Attribute | multiple参数属性

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

dhtml语法

HTML	<SELECT MULTIPLE ... >
Scripting	SELECT.multiple [ = bMultiple ]

DHTML可能的值

bMultiple

Boolean that specifies or receives one of the following values. false Default. Multiple items cannot be selected. true Multiple items can be selected.

The property is read/write. The property has a default value of false.

Expressions can be used in place of the preceding value(s), as of Microsoft® Internet Explorer 5. For more information, see about dynamic properties.

DHTML代码范例

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.

<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>

This feature requires Microsoft® Internet Explorer 4.0 or later. Click the following icon to install the latest version. Then reload this page to view the sample.

是否符合公共标准

This property is defined in HTML 3.2  and is defined in World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 .

Applies To

	SELECT

更多语法参考

type