littleguga

public function regstrAuth()

    // 'book_name' would be the name of your column in database table

    $data = array(
    'login' => $this->input->post('login'),
    'passowrd' => $this->input->post('passowrd'),
    'email' => $this->input->post('email'),
    'age' => $this->input->post('age')
    );

    $this->db->set($data);
    $this->db->insert('users');

}

<input type="text" name="login" value="" />
<input type="text" name="passowrd" value="" />
<input type="text" name="email" value="" />
<input type="text" name="age" value="" />

$(function() {
  $('#add').on('click', function(event) {
    event.preventDefault();
    $('<a href="#" class="my-class">Element <span class="counter"></span></a>').appendTo('#result');
    myFunc();
  });
});