给select增加placeholder技巧
转自:http://stackoverflow.com/questions/5805059/how-do-i-make-a-placeholder-for-a-select-box/8442831
使用默认otpion再disable此选项
- <select>
- <option value="" disabled selected>Select your option</option>
- <option value="hurr">Durr</option>
- </select>