jQuery(document).ready(function($) {

    $(document).on('click','.mark_as_complete', function() {

    var button = $(this);
    var user_id = $(this).attr('data-user-id');
    var course_id = $(this).attr('data-course-id');
    $.ajax({
        url: ajaxurl,
        type: 'POST',
        data: {
        action: 'mark_as_complete', user_id : user_id,  course_id : course_id, 
            
        },
        success: function(response) {
    
        button.html('completed');
        },
        error: function(xhr, status, error) {
        console.log(error);
        }
    });
    });

});