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HTML不常用元素：optgroup_html/css_WEB-ITnose
- WBOYOriginal
- 2016-06-24 11:22:10862browse
在网页表单中，
这个元素包含两个属性：disabled和label。
disabled：表示选项组无法被选择
label：表示选项组的名字
1 <select> 2 <optgroup label="Group 1"> 3 <option>Option 1.1</option> 4 </optgroup> 5 <optgroup label="Group 2"> 6 <option>Option 2.1</option> 7 <option>Option 2.2</option> 8 </optgroup> 9 <optgroup label="Group 3" disabled>10 <option>Option 3.1</option>11 <option>Option 3.2</option>12 <option>Option 3.3</option>13 </optgroup>14 </select>
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