<td>
当用户单击平均值和最大值旁边的标签的计算按钮时,我想获取值的平均值和最大值
<html>
<table id="table" style="height:350px;margin-left:1em;width:700px;">
<!--this is my table header-->
<tr style="display:table-row">
<th class="checkbox"><input type="checkbox"/></th>
<th class="Name">NAME</th>
<th class="Score">SCORE</th>
<th class="Email">EMAIL</th>
<th class="Empty"></th>
</tr>
<tr>
<!--tabledata-->
<td ><input type="checkbox" /></td>
<td >Vijay Prakash</td>
<td >34</td>
<td >vijay@example.com</td>
<td ></td>
</tr>
<tr>
//table data
<td ><input type="checkbox" /></td>
<td >Sashi Pagadala</td>
<td >21</td>
<td >sashi@example.com</td>
<td ></td>
</tr>
</table>
<input type="button" id="btnCalculate" value="Calculate"/>
<label>Average:</label>
<label id="lblAverage"></label>
<label>Max:</label>
<label id="lblMax"></label>
</form>
</html>