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js implements simple stopwatch clock effect_javascript skills

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Release： 2016-05-16 15:46:37

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This article introduces the example of javascript to implement a simple stopwatch clock effect. Share it with everyone for your reference. The details are as follows:

The operation effect diagram is as follows:

Implementation code:

<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<10
m=checkTime(m)
s=checkTime(s)
document.getElementById('txt').innerHTML=h+":"+m+":"+s
t=setTimeout('startTime()',500)
}

function checkTime(i)
{
if (i<10) 
 {i="0" + i}
 return i
}
</script>
</head>

<body onload="startTime()">
<div id="txt"></div>
</body>
</html>

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I hope this article will be helpful to everyone’s JavaScript programming design.

Related labels：

js时钟特效简单的时钟特效

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