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- <!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>Document</title>
- </head>
- <body>
- <h2>我是子页面</h2>
- <button id="btn1">返回首页</button>
- <script>
- var btn1 = document.getElementById('btn1')
- btn1.onclick = function(){
- history.back()
- }
- </script>
- </body>
- </html>
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