Wx-公众号-关闭内置浏览器页面，返回公众号橱窗

方法一：

pushHistory();

function pushHistory() {
    var state = {
            title: "title",
            url: "#"
        };
    window.history.pushState(state, "title", "#");
}

if (typeof window.addEventListener != "undefined") {
    window.addEventListener("popstate", function (e) {
        WeixinJSBridge.call('closeWindow');
    }, false);
} else {
    window.attachEvent("popstate", function (e) {
        WeixinJSBridge.call('closeWindow');
    });
}