get the id inside a HTMLTableRowElement

Hi Experts!

I am using jQuery to get as an array the tr id's for a given filter

var comment = $('tr[id$=comment]').get();
for (var k in comment ) {
	console.log(comment [k]);
}

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After executing this code I get in the console the actual <tr> element array like this
<tr style="display: none;" id="[b]name1_comment[/b]">

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How one can get the tr id from this?  In jQuery one uses
$(this).attr('id')

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in an each, but I would like to know if there is a pure JS way to do it.

Thank you!
dlcnetAsked:
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Sudhindra A NCommented:
instead of your "for" statement use this..

$.each(comment,function(k,v){
    $('#res').append($(this).attr('id'));
});

ref: http://jsfiddle.net/Sudhindra/eTr49/
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Sudhindra A NCommented:
where $('#res') is the another div for displaying results (in my example).
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