var wxback = {    init :function(){      //隱藏微信分享按鈕等      document.addEventListener('WeixinJSBridgeReady', function onBridgeReady() {        WeixinJSBridge.call('hideToolbar');        WeixinJSBridge.call('hideOptionMenu');        WeixinJSBridge.call('hideMenuItems');      });      if(getSystem()=="ios"){        //this.pushHistory();        /* window.addEventListener("popstate", function(e) { //回調(diào)函數(shù)中實現(xiàn)需要的功能          //window.location.href = document.referrer+"&"+Math.floor(Math.random()*1000);          //history.go(-1);//不管怎么樣都是返回到最初的頁面返回了n次          //history.back();//不管怎么樣都是返回到最初的頁面返回了n次          //window.location = document.referrer;//上一個頁面url          //WeixinJSBridge.call('closeWindow');//直接關(guān)閉頁面        }, false);*/        var isPageHide = false;         window.addEventListener('pageshow', function () {          if (isPageHide) {          window.location.reload();          }         });         window.addEventListener('pagehide', function () {          isPageHide = true;         });       }    },    pushHistory :function () {      var state = {         title: document.title,         url: location.href       }      window.history.pushState(state, state.title, state.url);       console.log(window.history);    },}