javascript - jQuery dynamic id value returning UNDEFINED in WordPress -


i trying wordpress post id dynamically variable in jquery. however, returning value undefined when try debug in console. can me on ?

here's code:

data-id attribute displaying id of current post

<?php $id = get_the_id(); ?>   <button data-id="<?php echo $id; ?>" type="button" class="book btn btn-danger">     submit </button>

my jquery

jquery(document).ready(function(jquery){ jquery('.packageform').submit(packagesubmit);              function packagesubmit(){            var id = jquery(this).attr('data-id');            var ceccform = jquery(this).serialize();             jquery.ajax({             type:"post",             url: "wp-admin/admin-ajax.php",             data: ceccform,             success:function(data){             console.log(id);             console.log(data);             jquery(".response").html(data);             jquery(".packageform")[0].reset();             jquery('body').removeclass('modal-open');             }         });        return false;       }  });

here, using var id = jquery(this).attr('data-id'); value of attribute data-id dynamically. it's showing message undefined value in browsing console.

any ?

here this referring form packageform since you're calling submit function of form, , won't have attribute you've set button.

you this

var id = jquery(this).find('button.book').data('id');

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