ios的虚拟键盘与fixed移动端的的bug

//$(‘#search‘)表单input;$(‘.search_out‘)浮动元素

$(‘#search‘).focus(function (e) {

  if(!window.res) {
      setTimeout(function(){var height = $(window).scrollTop();
      $(‘.search_out‘).css({position:"absolute",top: -height+"px"})},10)
  }
});
$(‘#search‘).blur(function () {
  if(!window.res) {
      $(‘.search_out‘).css({position:"fixed",top:"0px"});
  }
});