代码

<script>
// 浏览器标题切换
var OriginTitile = document.title; // 保存之前页面标题
var titleTime;
document.addEventListener('visibilitychange', function(){
if (document.hidden){
document.title = '草榴社區主論壇 - 1024';
clearTimeout(titleTime);
}else{
document.title = '生命-1s ~ ';
titleTime = setTimeout(function() {
document.title = OriginTitile;
}, 2000); // 2秒后恢复原标题
}
});
</script>