Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <head> <script> function isKeyPressed(event) { var text = "没有按下 shift 键！"; if (event.shiftKey == 1) { text = "Shift 键被按下了！"; } document.getElementById("demo").innerHTML = text; } </script> </head> <body onmousedown="isKeyPressed(event)"> <p>单击此段落。 一个警告框会告诉你是否按下了 shift 键。</p> <p id="demo"></p> </body> </html>