czshop
/
test4.html

<!DOCTYPE html>
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<html>
    <head>
        <title>TODO supply a title</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    </head>
    <body>
        <div>test3333333333333333333</div>
        <div>TODO write content test4</div>
         <script>alert('哈哈当前test4');history.back();</script>
    </body>
</html>