bugajax.js

// create post
$('form#form-post').on("submit", function(e){
  e.preventDefault();

  $.ajaxSetup({
    headers: {
      'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
    }
  });

  $.ajax({
    type: 'POST',
    dataType: 'json',
    url : '{{ route('posts.store') }}',
    data: { data: $(this).serialize() },
    beforeSend: function(data){
      console.log(data);
    },
    success: function(data) {
      console.log(data);
      window.location.href('{{ route('posts.index') }}');
    },
    error: function(xhr, textStatus, thrownError) {
      console.log(thrownError);
    }
  });
  return false;
});