减小字体 增大字体
] 源码如下<br>----------------------------------------------------------<br><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><br><html><br><head><br><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><br><meta name="Keywords" content="51<a target="_blank" href="http://www.newasp.cn/" class="wordstyle">windows</a>.Net"><br><META NAME="Author" CONTENT="haiwa"><br><title>测试窗口是否打开 -51<a target="_blank" href="http://www.newasp.cn/" class="wordstyle">windows</a>.Net－www.51<a target="_blank" href="http://www.newasp.cn/" class="wordstyle">windows</a>.Net</title><br><style><br><!--<br>* {font:menu}<br>--><br></style><br></head><br><br><body><br><SCRIPT LANGUAGE="JavaScript"><br><!--<br>var msg<br>function o()<br>{<br>msg=open("http://www.yahoo.com","yahoo","toolbar=no,resizable=yes,menubar=no,status=no")<br>}<br>function a()<br>{<br>if (msg && msg.open && !msg.closed)<br>{<br>alert ("yahoo is opening")<br>}<br>else<br>{<br>alert ("yahoo is not opening")<br>}<br>}<br>//--><br></SCRIPT><br><input type="button" value="打开测试窗口" onclick="o()"><br><br><input type="button" value="测试窗口是否打开" onclick="a()"><br></body><br><br></html> <br>
[提示：你可先按照下面代码提示修改 上面部分代码，再按运行，此处看到的演示不完全正确]
减小字体
增大字体
