如何在HTML中禁用/启用？

Question

当我选中咖啡复选框组 - 启用按钮框组 - 禁用

当我选择Hot Coco复选框组 - 禁用按钮框组 - 启用

以下代码:

<fieldset id="mixdrinks">
<!-- pull down or drop menu examples -->
<label><strong>Drinks Selection</strong></label><br />
<select name="drinks" id="drinks">
  <option selected="selected" label="none" value="none">null</option>  
  <option value="Coffee">Coffee</option>
  <option value="Tea">Tea</option>
  <option value="Juice">Juice</option>
  <option value="Milk">Milk</option>
  <option value="Hot Chocolate">Hot Coco</option>
</select>
<br />

<!-- check box -->
<label><strong>What do you want in your coffee?</strong></label><br />
<input type="checkbox" name="sugar" id="Checkbox1" value="yes" tabindex="4" /> Sugar<br />
<input type="checkbox" name="milk" id="Checkbox2" value="yes" tabindex="5" /> Milk<br />
<input type="checkbox" name="cream" id="Checkbox3" value="yes" tabindex="6"/> Cream
<p>...more mix drinks...</p>

<!-- radio buttons -->
<label><strong>Do you want Whip Cream on your Hot Coco?:</strong></label><br />
<input type="radio" name="WhipCream" id="Radio1" value="yes" title="Yes" />Yes<br />
<input type="radio" name="WhipCream" id="Radio2" value="yes" title="No" />No<br />
<br />

Answer 1

要做你所要求的,你需要的东西不仅仅是html,你需要Javascript.

我从W3Schools学习了javascript .