var originTitle = document.title;
var titleTime;
document.addEventListener("visibilitychange", function() {
if (document.hidden) {
document.title = "(つェ⊂) 我藏好了哦~ " + originTitle;
clearTimeout(titleTime);
}
else {
document.title = "(*´∇`*) 被你发现啦~ " + originTitle;
titleTime = setTimeout(function() {
document.title = originTitle;
}, 2000);
}
})
然而并没有高亮