Select the type usually used in the drop-down box to select the type drop-down
Type pulldown is added to a select tag div and then appends the format on the line
The format
<select> <option value="value">语文</option> <option value="value">数学</option> <option value="value">英语</option> </select>
Label drop-down option is to choose a label
instance Pictured
The picture shows examples of pull-down