Question

html code :

<tr id="myname">
<td><input class="count" type="text" value="1"></td>
</tr>

jquery code :

$('input.count').keyup(function(e){
        var test = $(this).parent().parent().attr('id');
        alert(test);
    });

when keyup input , get tr id !

Answer 1

You could try the closest() method in jQuery:

$('input.count').keyup(function(e){
    var test = $(this).closest('tr').attr('id');
    alert(test);
});

Here’s a working example: DEMO

What’s different is that you haven’t provided the <table></table> tags.