JavaScript real-time display of Beijing time method _javascript skills

This article illustrates the way JavaScript displays the time in Beijing in real time. Share to everyone for your reference. Specifically as follows:

This page displays the time of Beijing in real-time, and changing the time zone can also be used to show world times, as shown in the following code:

Copy Code code as follows:

<script type= "Text/javascript" >
Date.prototype.strftime = function (format) {
var o = {
"m+": This.getmonth () +1,//month
"D+": This.getdate (),//day
"h+": this.gethours (),//hour
"m+": This.getminutes (),//minute
"S+": This.getseconds (),//second
"q+": Math.floor (This.getmonth () +3)/3),//quarter
"S": This.getmilliseconds ()//millisecond
}
if (/(y+)/.test (format)) {
Format = Format.replace (regexp.$1, (this.getfullyear () + ""). substr (4-regexp.$1.length));
}
For (var k in O) {
if (new RegExp ("+ K +")). Test (format)) {
Format = Format.replace (regexp.$1, regexp.$1.length==1? O[k]: ("+ o[k]"). substr (("" + o[k]). length);
}
}
return format;
}
function utctolocaltimestring (d, format) {
var timeoffsetinhours = (new Date (). getTimezoneOffset ()/60) +-10;
D.sethours (d.gethours () + timeoffsetinhours);
return d.strftime (format);
}
</script>
<script >
SetInterval (function () {var time = utctolocaltimestring (new Date (), ' Yyyy/mm/dd hh:mm:ss ');d Ocument.getelementbyid (" Bjtime "). InnerHTML = time;},1000);
</script>
<span id= "Bjtime" ></span>

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