$(".search-input").focusout(function () {
          if (document.activeElement.className !== 'close-t') {//close-t为清除键类名
            $('.search-input').addClass('search-before');
            $('.close').css('display', 'none');
            
            document.getElementById('search').value = '';
          }
});

$("#search").focusout(function () {
  //判断失焦后是否点击的是清除钮，若是则不重置
  var tapCloseButton = false;
  $('.close-t').focus(function () {
    tapCloseButton = true;
  });
  setTimeout(function () {
    if (!tapCloseButton) {
      $('.search-input').addClass('search-before');
      $('.close').css('display', 'none');
      document.getElementById('search').value = '';
    }
  },10);
});