HTML DOM OptionGroup objects
OptionGroup objects
OptionGroup object represents an HTML <optgroup> element.
Access OptionGroup objects
You can use getElementById () to access the <optgroup> element:
var
x = document.getElementById("myOptgroup");
尝试一下
Create OptionGroup objects
You can use the document.createElement () method to create <optgroup> element:
var x = document.createElement("OPTGROUP");
尝试一下
OptionGroup object properties
| 属性 | 描述 |
|---|---|
| disabled | 设置或返回是否禁用选项组。 |
| label | 设置或返回选项组的 label 属性的值。 |
Standard properties and events
OptionGroup objects also supports standard attributes and events .
related articles
HTML Reference Manual: HTML <optgroup> tag