PrismKit網頁鍵盤測試器鍵盤測試器在瀏覽器中執行本機複製連結Markdown用即時螢幕鍵盤檢查每個按鍵：按住的鍵會亮起，記住已測試的鍵，並測量按鍵防衝突（rollover）。裝置資訊Read back what the browser exposes about your screen, viewport, platform, and capabilities.按鍵代碼資訊Press any key to see its JavaScript key, code, keyCode, location, and active modifiers.