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JavaScript hour, minute, and second time code (automatic zero padding)

高洛峰Original: 2017-01-07 16:27:092636browse

JavaScript time code for hours, minutes and seconds. If the time is less than 10, add a zero.

<html> 
<head> 
<script type="text/javascript"> 
function startTime() 
{ 
var today=new Date() 
var h=today.getHours() 
var m=today.getMinutes() 
var s=today.getSeconds() 
//add a zero in front of numbers which<10 
h=checkTime(h) 
m=checkTime(m) 
s=checkTime(s) 
document.getElementById(&#39;wux&#39;).innerHTML=h+":"+m+":"+s 
t=setTimeout(&#39;startTime()&#39;,100) 
} 
//add a zero in front of numbers which<10 
function checkTime(i) 
{ 
if (i<10) 
{ 
i="0" + i 
} 
return i 
} 
</script> 
</head> 
<body onload="startTime()"> 
<div id="wux"> 
</div> 
</body> 
</html>

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