<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>修改浏览器title</title>
</head>
<body>
<h2>修改浏览器title</h2>
<input type="button" value="修改浏览器的title" id="titleNewLine" data-title="修改后的title">
<script type="text/javascript">
window.onload = function () {
document.getElementById("titleNewLine").onclick = function () {
document.title = this.getAttribute("data-title")
}
}
</script>
</body>
</html>效果：
