监听浏览器回退事件

$(document).ready(function(e) {
    var counter = 0;	            
    if (window.history && window.history.pushState) {	            	
        window.onpopstate = function () {                       
            window.history.pushState('forward', null, '#');                        
            window.history.forward(1);              
            alert("退回")    
            location.replace(document.referrer);//刷新          
        };            
    }	            
    window.history.pushState('forward', null, '#'); //在IE中必须得有这两行	            
    window.history.forward(1);		
});