$(function () { var u = navigator.userAgent.toLowerCase(); var platform = { ios: function () { return (/iphone|ipad|ipod|ios/i.test(u)); }, android: function () { return (/android/i.test(u)); } } if (platform.ios()) { $(".lanjun_az").hide(); $(".lanjun_ios").show(); }else{ $(".lanjun_ios").hide(); $(".lanjun_az").show(); } })