Sets or retrieves the label for the option group.
dhtml语法
HTML | <OPTGROUP LABEL
= sLabel... >
|
---|
Scripting | OPTGROUP.label(v) [ = sLabel ] |
---|
DHTML可能的值
sLabel | String that
specifies or receives the label that is displayed in the select element for this optGroup. |
The property is read/write.
The property has no default value.
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