text: /**
  * 功能：页面时间和文字书写
  * 最后审查日期：2017年8月21日
  * 开发人员：佚名
  **/
  // variables
  var $win = $(window);
  var clientWidth = $win.width();
  var clientHeight = $win.height();
  
  $(window).resize(function () {
      var newWidth = $win.width();
      var newHeight = $win.height();
      if (newWidth != clientWidth && newHeight != clientHeight) {
          location.replace(location);
      }
  });
  
  (function ($) {
      $.fn.typewriter = function () {
          this.each(function () {
              var $ele = $(this), str = $ele.html(), progress = 0;
              $ele.html('');
              var timer = setInterval(function () {
                  var current = str.substr(progress, 1);
                  if (current == '<') {
                      progress = str.indexOf('>', progress) + 1;
                  } else {
                      progress++;
                  }
                  $ele.html(str.substring(0, progress) + (progress & 1 ? '_' : ''));
                  if (progress >= str.length) {
                      clearInterval(timer);
                  }
              }, 75);
          });
          return this;
      };
  })(jQuery);
  
  function timeElapse(date) {
      var current = Date();
      var seconds = (Date.parse(current) - Date.parse(date)) / 1000;
      var days = Math.floor(seconds / (3600 * 24));
      seconds = seconds % (3600 * 24);
      var hours = Math.floor(seconds / 3600);
      if (hours < 10) {
          hours = "0" + hours;
      }
      seconds = seconds % 3600;
      var minutes = Math.floor(seconds / 60);
      if (minutes < 10) {
          minutes = "0" + minutes;
      }
      seconds = seconds % 60;
      if (seconds < 10) {
          seconds = "0" + seconds;
      }
      var result = "第 <span class=\"digit\">" + days + "</span> 天 <span class=\"digit\">" + hours + "</span> 小时 <span class=\"digit\">" + minutes + "</span> 分钟 <span class=\"digit\">" + seconds + "</span> 秒";
      $("#clock").html(result);
  }
  