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Detailed explanation of the use of Date.UTC() method in JavaScript_Basic knowledge

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WBOYOriginal
2016-05-16 15:55:281359browse

This method takes a date and returns the number of milliseconds since midnight universal time on January 1, 1970.
Grammar

Date.year,month,day,[hours,[minutes,[seconds,[ms]]])

Note: Data in brackets are optional

Here are the details of the parameters:

  • year: four digits representing the year
  • month: an integer between 0 and 11, indicating the month
  • day: an integer between 1 and 31, representing the date
  • hours: an integer between 0 and 23, indicating the hour
  • minutes: an integer between 0 and 59, representing minutes
  • seconds: an integer between 0 and 59, representing seconds
  • ms: an integer between 0 and 999, representing milliseconds

Return value:

Number of milliseconds since midnight on January 1, 1970
Example: 

<html>
<head>
<title>JavaScript UTC Method</title>
</head>
<body>
<script type="text/javascript">
  var msecs = Date.UTC(2008,9,6);
  document.write( "Number of milliseconds from 1970: " + msecs ); 
</script>
</body>
</html>

This will produce the following results: 

Number of milliseconds from 1970: 1223251200000

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