html - find and replace parameter value within an array in div in jquery -

i have div want replace value of parameter within array.

my php code generate html following

<div id="data1<?php echo $data['id']; ?>" data-url="<?php echo 'post/comment',        array('post_id' => $data['id'], 'comment_id' => $data['c_id'])); ?>"></div> 

when page rendered data-url contains

/blog/index.php/post/updatecomment?post_id=16&comment_id='' 

i want put value in comment_id, comment_id=12

i tried first see if can data-url value

but when

$('#data1).map(function(){            alert(this.data-url); }); 

it returns nan

$('#data1).map(function(){            alert(this.id); }); 

return id expected

i'd know if there way search & replace comment_id='' comment_id=12

any appreciate

do this:

alert($(this).attr('data-url'));