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<!DOCTYPE html> <html> <body> <p>尝试复制下面的图像。</p> <img src="w3javascript.gif" oncopy="myFunction()" width="100" height="132"> <p><strong>注意：</strong>此示例在某些浏览器中可能无法正常运行。</p> <script> function myFunction() { alert("你复制了图像！"); } </script> </body> </html>