微信浏览器中禁止系统返回的事件
XBack = {};
(function (XBack) {
XBack.STATE = 'x - back';
XBack.element;
XBack.onPopState = function (event) {
event.state === XBack.STATE && XBack.fire();
XBack.record(XBack.STATE); //初始化事件时，push一下
};
XBack.record = function (state) {
history.pushState(state, null, location.href);
};
XBack.fire = function () {
var event = document.createEvent('Events');
event.initEvent(XBack.STATE, false, false);
XBack.element.dispatchEvent(event);
};
XBack.listen = function (listener) {
XBack.element.addEventListener(XBack.STATE, listener, false);
};
XBack.init = function () {
XBack.element = document.createElement('span');
window.addEventListener('popstate', XBack.onPopState);
XBack.record(XBack.STATE);
};
})(XBack); // 引入这段js文件
XBack.init();
XBack.listen(function () { });
