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JavaScript dynamically gets the current date, time, and week code

Source: Internet
Author: User
Tags current time getdate local time time interval
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Copy the snippet directly and paste it into the HTML structure to display (<span> paste here </span>)

Get format: Year, month, day

The code is as follows Copy Code

var date = new Date ();
var year = Date.getfullyear ();
var month = Date.getmonth () +1;
var day = Date.getdate ();
document.write ("Today is" +year+ "year" +month+ "month" +day+ "Day");

Get format: Year, month, day, time, minute

The code is as follows Copy Code

var date = new Date ();
var year = Date.getfullyear ();
var month = Date.getmonth () +1;
var day = Date.getdate ();
var hours = date.gethours ();
var min = date.getminutes ();
document.write ("Today is" +year+ "year" +month+ "month" +day+ "Day" +hours+ ":" +min);

Get format: Year, month, day, week

The code is as follows Copy Code

var date = new Date ();
var year = Date.getfullyear ();
var month = Date.getmonth () +1;
var day = Date.getdate ();
var Xingqi = Date.getday ();
Switch (Xingqi) {
Case 0:
Xingqi = "Day";
Break
Case 1:
Xingqi = "one";
Break
Case 2:
Xingqi = "two";
Break
Case 3:
Xingqi = "three";
Break
Case 4:
Xingqi = "Four";
Break
Case 5:
Xingqi = "Five";
Break
Case 6:
Xingqi = "Six";
Break
}

document.write ("Today is" +year+ "year" +month+ "month" +day+ "Day" + "Week" +xingqi);

It's written as a function

  code is as follows copy code

function ShowTime () {
 var show_day=new Array (' Monday ', ' Tuesday ', ' Wednesday ', ' Thursday ', ' Friday ', ' Saturday ', ' Sunday ');
 var time=new Date ();
 var year=time.getyear ();
 var month=time.getmonth ();
 var date=time.getdate ();
 var day=time.getday ();
 var hour=time.gethours ();
 var minutes=time.getminutes ();
 var second=time.getseconds ();
 month<10?month= ' 0 ' +month:month;
 month=month+1;
 hour<10?hour= ' 0 ' +hour:hour;
 minutes<10?minutes= ' 0 ' +minutes:minutes;
 second<10?second= ' 0 ' +second:second;
 var now_time= ' current time: ' +year+ ' year ' +month+ ' month ' +date+ ' Day ' + ' ' +show_day[day-1]+ ' ' +hour+ ': ' +minutes+ ': ' +second;
 document.getelementbyid (' Showtime '). Innerhtml=now_time;
 settimeout ("ShowTime ();", 1000);
}

The above example is all to get the client if you want to get the server side we can use Ajax to instance

Name: Server clock (one read, real-time display)
Function: Displays the server-side time on the client browser.
Principle:
1. Get the date and time of the service end.
2. The time difference between the server and the client can be obtained according to the client browser.
3. Server Clock = client's clock (change value) + Time difference (fixed value)

The code is as follows Copy Code
<title></title>
<body>
Current: <div id= "Time" ></div>
<script>
var XmlHttp = new ActiveXObject ("Microsoft.XMLHTTP");//Create XmlHttp Object
Xmlhttp.open ("Head", "Http://www.111cn.net", false); from which server to get the time
Xmlhttp.send (); Connecting to a server
var offset = Date.parse (Xmlhttp.getresponseheader ("Date"));//Get Time in header
Offset-= (new Date). GetTime (); Get the interval between local time and server time
function ShowTime ()//Display Time method
{
var d = new Date; Get current time
D.settime (D.gettime () +offset); Get current server time through server and local time interval
document.getElementById (' time '). Innerhtml=d.tolocalestring ()//Display server times
}
SetInterval ("ShowTime ()", "1000");
</script>
</body>

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Related Keywords:
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