js ausführliche Erklärung zum Abhören von Browser-Back-Ereignissen

<script>
    $(document).ready(function (e) {
        var counter = 0;
        if (window.history && window.history.pushState) {
            $(window).on(&#39;popstate&#39;, function () {
                window.history.pushState(&#39;forward&#39;, null, &#39;#&#39;);
                window.history.forward(1);
                // alert("不可回退");  //如果需在弹框就有它
                self.location="orderinfo.html"; //如查需要跳转页面就用它
            });
        }

        window.history.pushState(&#39;forward&#39;, null, &#39;#&#39;); //在IE中必须得有这两行
        window.history.forward(1);
    });
</script>