Copy code The code is as follows: <br>var c=0 <br>var t <br>function timedCount() <br>{ <br>document.getElementById('txt').value=c <br>c=c 1 <br>t=setTimeout("timedCount()", 1000) <br>} <br>function stopCount() <br>{ <br>clearTimeout(t) <br>} <br> Please click the " Start timer" button to start the timer. The input box will always be timed, starting from 0. Click the "Stop Timing" button to stop timing. timedCount(), adjust yourself in 1000ms.
