点击Button让text里面的数字加一请问怎么弄

Question

 <table>
        <tr>
            <td>
                需要：<input type="text" id="daynum" onblur="showIntendingFinishTime()" readonly="readonly" value="0"/>天
            </td>
             <td>
               <input type="button" value="+" id="addDay" onclick="addDay()"/>
            </td>
             <td>
               <input type="text" id="hournum" onblur="showIntendingFinishTime()" readonly="readonly" value="0"/>时
            </td>
             <td>
                <input type="button" value="+" id="addHour" onclick="addHour()"/>
            </td>
            <td>
                <input type="button" value="清空" id="clearTime" onclick="clearTime()"/>
            </td>
        </tr>
        <tr>
            <td>
                <div id="IntendingFinishTime"></div>
            </td>
        </tr>
</table>

Answer 1

你的addHour和addDay不就是这个功能吗那这2个函数呢~