源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>编程字典</title> </head> <body> <h1>试着打印这个文档</h1> <p><b>提示:</b> 键盘快捷键, Ctrl+P 设置打印这个页面.</p> <p><b>注意:</b> onbeforeprint 事件仅支持IE和Firefox. </p> <script> function myFunction() { alert("You are about to print this document!"); } </script> </body> </html>
运行结果