???????????????????????? touch??????bug????????????????????????????????β????????  ????????????????????????и??????????Zepto??tap??????????????????????????????????? ?????????????input???????“?? ?”??“google”??????“tap????????????e???body????????”?????Zepto??tap????????document??????????£????????????????????
??????????? ????????????????????????a???????????????????????????????????

???????????
????zepto??tap???????????document???touch????????tap????????????tap?????e???document??????????????????tap???(touchstart ouchend)???e???document????????????e???document?????? ??????????(touchstart)???????(touchend)?????click?????????click???????????(????????????? ??click????tap?????)(?????300ms????????safari?????????????)?????????????tap?????????????????????? ????????????click???????????300ms??У???300ms?????????click??????????????????????????·?????????????·??? ????????click??????????????????а?click?????????click?????????·?????input?????(????select????? ?????????)??????????????????????????????????????????
?????????????????£?
????1)  ???github???????????fastclick????????Zepto??tap?????
????2)  ????touchend?????????????????preventDefault()???e???
????//JS????
????$(".js-close").on("touchend"?? function(e){  //???????touchstart????????
????e.preventDefault();
????$('.sec_ui_dlg').remove();
????$(".dlg_bg").remove();
????});
????3)  ???css3??pointer-events=true??pointer-events=none?л???????
????4)  ??????????????????????????????????320???????????????jquery?????(fadeIn()??fadeOut())???????о?????;
????$(id).fadeIn(300);
????5)  ?????????Ч?????????????click???tap;
????//??????????_tap
????_tap = touchend in document ? "touchend":"click"
????//????????е?????п?????????
????div.on(_tap?? function(){...})