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Tryit: JAVASCRIPT
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<!DOCTYPE html> <html> <body> <p>单击该按钮可在新窗口中打开输出流，添加一些文本，然后关闭输出流。</p> <button onclick="myFunction()">试一试</button> <script> function myFunction() { var w = window.open(); w.document.open(); w.document.write("<h1>Hello World!</h1>"); w.document.close(); } </script> </body> </html>