[ประกอบหนังสือ Bootstrap]

button_loading_state_example.html

<button type="button" id="btn_save" class="btn btn-success"
  data-loading-text="กรุณารอซักครู่..." 
  data-complete-text="finished!">
  Save data
</button>
<script>
  $('#btn_save').on('click', function(e) {
    e.preventDefault();
    $this = $(this);
    $this.button('loading');
      setTimeout(function () {
        $this.button('reset');
      }, 3000);
  });
</script>