html option disable select select disable option example
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Copy code The code is as follows:<select> <option value="">1</option> <option value="">2</option> <option value="">3</option> <option value="">4</option> <option value="">5</option> </select>  I don't want users to be able to choose 345. What should I do? Copy code The code is as follows:<select> <option value="">1</option> <option value="">2</option> <optgroup label="3"></optgroup> <optgroup label="4"></optgroup> <optgroup label="5"></optgroup> </select>  That's it. |
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