text: /* exported $dlgAbout */
  var $dlgAbout = (function() {
    var $dlg = $(''
          + '<div class="notepad-dlg-mask notepad-dlg-about">'
            + '<div class="dialogbox notepad-dlgbox">'
              + '<div class="notepad-dlg-titlebar">'
                + '<p class="title">关于“记事本”</p>'
                + '<span class="close-btn">✖</span>'
              + '</div>'
              + '<div class="main notepad-dlg-main">'
                + '<h1 class="slogan">JSNotepad</h1>'
                + '<hr>'
                + '<img class="app-logo" src="../../images/notepad-icon-32.png" alt="JSNotepad">'
                + '<div class="info">'
                  + '<p>作者：王顶</p>'
                  + '<p>QQ：408542507</p>'
                  + '<p>仓库地址：<a href="https://github.com/wangding/jsnotepad/" target="_blank">https://github.com/wangding/jsnotepad/</a></p>'
                + '</div>'
                + '<input class="btn-ok btn" type="button" value="确定">'
              + '</div>'
            + '</div>'
          + '</div>');
  
    var $btnOk = $dlg.find('.btn-ok'),
        $btnClose = $dlg.find('.close-btn'),
        $titleBar = $dlg.find('.notepad-dlg-titlebar');
  
    function destory() { $dlg.remove(); }
  
    function show() {
      $('body').append($dlg);
      $dlg.find('.dialogbox').draggable({handle: $titleBar});
  
      $btnOk.click(destory);
      $btnClose.click(destory);
    }
  
    return {show: show};
  }());
  