网页标题/标签 闪烁
实现
let beforeTitle = document.title;
let count = 0;
function blinkNewMsg(val) {
document.title =
count % 2 == 0 ? `【 】${beforeTitle}` : `【${val}】${beforeTitle}`;
count++;
}
setInterval(() => {
blinkNewMsg('新消息');
}, 1000);
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