fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <head> <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"> </script> <script> $(document).ready(function(){ var lastms,d; $("button").click(function(event){ if (lastms){ d=event.timeStamp - lastms $("p").text("Milliseconds since last click event: " + d); } else { $("p").text("Click the button again."); } lastms=event.timeStamp; }); }); </script> </head> <body> <button>Click me</button> <p></p> </body> </html>
运行结果