Change the tab name in browser
var a = document.title;
window.onblur = function() {
document.title = "♬ Baby come back! Any kind of fool could see... ♬";
}, window.onfocus = function() {
document.title = a;
};
<html>
<head>
<title>Demo: 离开页面时修改浏览器标签名称</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<h1>Demo: 离开页面时修改浏览器标签名称</h1>
<div>
<p>不要关闭这个页面;</p>
<p>将浏览器标签切换到任意其他页面;</p>
<p>注意到浏览器标签名称的变化了吗?</p>
<p><a href="https://miu.im/change-the-tab-name-in-browser/">← 回到 Let's whisper 的相关文章</a></p>
</div>
</body>
</html>