fmpq.com
源代码:
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> </head> <body> <p> Internet Explorer 8 及更早IE版本不支持 addEventListener() 方法。</p> <p>该实例演示了跨浏览器的解决方法。</p> <p>文档中使用 addEventListener() 方法添加 onmousemove 事件句柄,当鼠标移动时会显示随机数。</p> <p>点击按钮移除事件句柄。</p> <button onclick="removeHandler()" id="myBtn">点我</button> <p id="demo"></p> <script> if (document.addEventListener) { document.addEventListener("mousemove", myFunction); } else if (document.attachEvent) { document.attachEvent("onmousemove", myFunction); } function myFunction() { document.getElementById("demo").innerHTML = Math.random(); } function removeHandler() { if (document.removeEventListener) { document.removeEventListener("mousemove", myFunction); } else if (document.detachEvent) { document.detachEvent("onmousemove", myFunction); } } </script> </body> </html>
运行结果