<html><body onmousedown="myFunction(event)" onmouseup="myFunction(event)" onkeydown="myFunction(event)" onkeyup="myFunction(event)"><p>在本文档中按任意键或单击鼠标可获取触发的事件类型。</p><p>事件：<span id="demo"></span></p><script>function myFunction(event) { var x = event.type; document.getElementById("demo").innerHTML = x;}</script></body></html>