fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> <script> var myWindow; function openWin(){ myWindow=window.open("","","width=400,height=200"); } function closeWin(){ if (myWindow){ myWindow.close(); } } function checkWin(){ if (!myWindow){ document.getElementById("msg").innerHTML="我的窗口没有被打开!"; } else{ if (myWindow.closed){ document.getElementById("msg").innerHTML="我的窗口被关闭!"; } else{ document.getElementById("msg").innerHTML="我的窗口没有被关闭!"; } } } </script> </head> <body> <input type="button" value="打开我的窗口" onclick="openWin()" /> <input type="button" value="关闭我的窗口" onclick="closeWin()" /> <br><br> <input type="button" value="我的窗口被关闭了吗?" onclick="checkWin()" /> <br><br> <div id="msg"></div> </body> </html>
运行结果