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Tryit: JAVASCRIPT
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<!DOCTYPE html> <html> <body> <p>单击按钮打开一个新窗口，并确保新窗口没有获得焦点（将新窗口发送到后台）。</p> <button onclick="myFunction()">试一试</button> <script> function myFunction() { var myWindow = window.open("", "", "width=200, height=100"); myWindow.document.write("<p>一个新窗口！</p>"); myWindow.blur(); } </script> </body> </html>