我有剃须刀代码
@for (int nr_rows = 0; nr_rows < 3; nr_rows++)
{
var nr_names = nr_rows + 1;
<tr>
@for (int nr_columns = 0; nr_columns < 3; nr_columns++)
{
if (nr_columns == 0)
{
<td><input type="time" name="@nr_names start" /></td>
}
if (nr_columns == 1)
{
<td><input type="time" name="@nr_names end" /></td>
}
if (nr_columns == 2)
{
<td>input readonly type="time" name="@nr_names resultalt" /></td>
}
}
</tr>
}
我如何编写代码以从输入1中减去输入2?最终我有很多这样的情况。 (将结果扔给input3)
我尝试过:
var a_start = document.getElementById("@nr_names start").value; // you can't enter a name like that
var a_end = document.getElementById("@nr_names end").value; // you can't enter a name like that
尝试使用getElementsByName函数,而不是getElementById。文档https://www.w3schools.com/jsref/met_doc_getelementsbyname.asp