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- <!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>
- <script>
- // 页面弹框
- // alert("页面错误");
- // 确认弹框 取消则为false 确定则为true
- // var boo = window.confirm("是否关闭");
- // console.log(boo);
- var str = window.prompt("请输入数字");
- console.log(str);
- </script>
- </body>
- </html>
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