an ajax call to update vote

ajax-like.js

$(function(){
  $('.likeButton').click(function(){
    let pk = this.id;
    $.ajax({
      url: '/post/like/',
      type: 'POST',
      data: {
        pk: pk,
      },
      success: function(data) {
        if (data['voted']) {
          $('#' + pk).removeClass('btn-default').addClass('btn-success');
        } else if (data['removed_vote']) {
          $('#' + pk).removeClass('btn-success').addClass('btn-default');
        } else {
          console.log(data['error']);
        }
      }
    });
  });
});