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here is example with 3 cells
when the user click on the ANSWER button then the values should get multiply and view the answer
but the problem is i can't get the value which i entered in the text box
please tell me what the wrong is
here is the code
<html>
<head>
<script type="text/javascript">
function cell(r)
{
var x=document.getElementById('myTable')
var y = x.rows[r].cells[0].innerHTML;
var z = x.rows[r].cells[1].firstChild.value;
var q=y*z;
alert(y);
alert(z);
alert(q);
}
</script>
</head>
<body>
<table id="myTable" border="1">
<?php
for($r=1;$r<=3;$r++)
{
echo'<tr>
<td>10</td>
<td><input type="text" id="txt"/></td>
<td><input type="button" onClick="cell('.$r.')" value="Answer"></td>
</tr>';
}
?>
</table>
<br />
</body>
</html>
All the code is correct, the only issue is how PHP is generating the values passed to the cell function. Because javascript is 0-indexed, your PHP loop should start at 0 instead of 1 for them to line up right.
for($r=0;$r<3;$r++)
