index参数属性

Sets or retrieves the ordinal position of an option in a list box.

dhtml语法

HTML N/A
Scripting OPTION.index [ = iIndex ]

DHTML可能的值

iIndex Integer that specifies or receives the ordinal position.
The property is read/write. The property has no default value.
Expressions can be used in place of the preceding value(s), as of Microsoft® Internet Explorer 5. For more information, see about dynamic properties.

是否符合公共标准

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

Applies To

OPTION