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Introduction to the use of setHours() method in JavaScript_Basic knowledge

WBOY
WBOYOriginal
2016-05-16 15:55:371773browse

The javascript Date.setHours() method sets the hours on the specified date according to local time.
Grammar

Date.setHours(hoursValue[, minutesValue[, 
                 secondsValue[, msValue]]])

Note: Parameters in brackets are optional

Here are the details of the parameters:

  • hoursValue: an integer between 0 and 23, representing the hour
  • minutesValue: an integer between 0 and 59, representing minutes
  • secondsValue: an integer between 0 and 59, representing seconds. If you specify the secondsValue parameter, you must also specify minutesValue
  • msValue: A number between 0 and 999, representing milliseconds. If you specify the msValue parameter, you must also specify minutesValue and secondsValue

If the minutesValue, secondsValue and msValue parameters are not specified, the values ​​returned by the getUTCMinutes, getUTCSeconds and getMilliseconds methods are used
Return value:

  • NA

Example: 

<html>
<head>
<title>JavaScript setHours Method</title>
</head>
<body>
<script type="text/javascript">
  var dt = new Date( "Aug 28, 2008 23:30:00" );
  dt.setHours( 02 );
  document.write( dt ); 
</script>
</body>
</html>

This will produce the following results: 

Thu Aug 28 02:30:00 UTC+0530 2008

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