Gxlsystem TIY Editor
Gxlsystem 在线教程
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暗黑模式
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<html> <head> <script type="text/javascript"> function isKeyPressed(event) { if (event.shiftKey==1) { alert("The shift key was pressed!") } else { alert("The shift key was NOT pressed!") } } </script> </head> <body onmousedown="isKeyPressed(event)"> <p>在文档中点击某个位置。消息框会告诉你是否按下了 shift 键。</p> </body> </html>