我有这个选择:
<select>
<option class="1">1st</option>
<option class="2">other1</option>
<option class="2">other2</option>
<option class="1">2st</option>
<option class="2">other1</option>
<option class="2">other2</option>
</select>
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如何禁用类"1"的选项?
jquery ×1