解决iphone填写表单时，表单项获取焦点时往下拉屏，导致顶部标题栏下滑错位...

$(function () {//解决iphone填写表单时，表单项获取焦点时往下拉屏，导致顶部标题栏下滑错位var u = navigator.userAgent;var isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端if (isiOS == true) {var pageHeight = window.innerHeight;$("input").focus(function () {var h = $(document).scrollTop();$(".navbar-fixed-top").css({"position": "absolute", "top": "0px"});});$("textarea").focus(function () {var h = $(document).scrollTop();$(".navbar-fixed-top").css({"position": "absolute", "top": "0px"});});$("input").blur(function () {var h = $(document).scrollTop();$(".navbar-fixed-top").css({"position": "fixed", "top": "0px"});});$("textarea").blur(function () {var h = $(document).scrollTop();$(".navbar-fixed-top").css({"position": "fixed", "top": "0px"});});}
});