代码
<html>
<head>
<meta charset="utf-8">
<meta name="generator"
content="HTML Tidy for HTML5 (experimental) for Windows https://github.com/w3c/tidy-html5/tree/c63cc39" />
<title>a链接</title>
</head>
<body>
<a href="javascript:alert('a');">链接</a>
</body>
</html>