使用浏览器回退时页面刷新处理
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>页面自动刷新测试</title>
<script src="../lib/jquery.js"></script>
</head>
<body>
<a href="http://www.baidu.com">跳转吧,使用浏览器回退到本页会刷新哦</a>
<script>
$(function(){
setInterval(function(){
var timestamp=$("body").data("page_timestamp");
if(typeof(timestamp)=='undefined'||timestamp==null){
$("body").data("page_timestamp",new Date().getTime());
}else{
var currDate=new Date().getTime();
if(currDate-timestamp>2000){
window.location.reload();
}else{
$("body").data("page_timestamp",currDate);
}
}
},1000);
});
</script>
</body>
</html>