try_win_closed 在线代码实例

HTML
CSS
JavaScript
Result

运行保存全屏右侧展示

主题:


 <input type="button" value="Open 'myWindow'" onclick="openWin()">
<input type="button" value="Close 'myWindow'" onclick="closeWin()">
<br><br>
<input type="button" value="Has 'myWindow' been closed?" onclick="checkWin()">
<br><br>
<div id="msg"></div>