PartyWeb/test.html at master · Garacc/PartyWeb · GitHub

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<html>
<head>
<meta charset="utf-8" />
<title></title>
<script type="text/javascript">
function startTime()
{
var today=new Date()
var h1=today.getHours(), h2=h1+8, h3=h1-13
var m=today.getMinutes()
var s=today.getSeconds()
// add a zero in front of numbers<10
h2=checkTimeH(h2)

h3=checkTimeH(h3)
m=checkTime(m)

s=checkTime(s)
document.getElementById('bj').innerHTML=h1+":"+m+":"+s
document.getElementById('ld').innerHTML=h2+":"+m+":"+s
document.getElementById('ny').innerHTML=h3+":"+m+":"+s
t=setTimeout('startTime()',500)

}

function checkTimeH(i)
{
  if (i>23) i-=24;
  if (i<0) i+=24;
  return i

}

function checkTime(i)
{
if (i<10)

  {i="0" + i}
  return i
}
</script>
<style type="text/css">
    div {display:inline-block;width:200px;height:30px;}
</style>
</head>

<body onload="startTime()">
北京时间<span id="bj"></span><br />
伦敦时间<span id="ld"></span><br />
纽约时间<span id="ny"></span>
</body>

</html>