javascript

Javascript digital clock sample share

The code is very simple, directly on the code, you can copy the following code to save the HTML file to run to see the effect

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head></head>
<body>
<script language="javascript">
function Change(HourSurplus,MinuteSurplus,SecondSurplus)
{

 SecondSurplus = SecondSurplus - 1;
 if (SecondSurplus<0) 
 { 
 SecondSurplus=60+SecondSurplus; 
 MinuteSurplus=MinuteSurplus-1; 
 } 
 if (MinuteSurplus<0) 
 {  
 MinuteSurplus=60+MinuteSurplus; 
 HourSurplus=HourSurplus-1; 
 }
 document.getElementById("asd").innerHTML=""+ HourSurplus +":"+ MinuteSurplus +":"+ SecondSurplus +"";
 setTimeout(function() {
 Change(HourSurplus,MinuteSurplus,SecondSurplus);
 },1000);
}
</script>
<span id="asd">11111</span>
<script language="javascript">
Change(1,59,59);
</script>
</body>
</html>