history.back(); 加载 history 列表中的前一个 URL
    history.forward();加载 history 列表中的下一个 URL

    1. <!DOCTYPE html>
    2. <html lang="en">
    3. <head>
    4.     <meta charset="UTF-8">
    5.     <meta name="viewport" content="width=device-width, initial-scale=1.0">
    6.     <title>Document</title>
    7. </head>
    8. <body>
    9.     <p>02</p>
    10.     <a href="03.html">03.html</a>
    11. </body>
    12. </html>

    03.html

    <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <p>03</p>
    <button id="btn">btn</button>
    <script>
        var btn = document.getElementById("btn");
        btn.onclick = function(){
            history.back();
        }
    </script>
</body>
</html>