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D3.js | d3.utcWeeks() Function

Last Updated : 25 Jul, 2019
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The d3.utcWeeks() function in D3.js is used to return all the weeks with the date and time in the given range of start and end date in Coordinated Universal Time (UTC).

Syntax:

d3.utcWeeks(start, end, step);

Parameters: This function accept three parameters which are given below:

  • Start: This is the given start date.
  • end: This is the given end date.
  • step: This is the optional value used to skip weeks.

Return Value: This function returns all the possible weeks in the given range.

Below programs illustrate the d3.utcWeeks() function in D3.js:
Example 1:




<!DOCTYPE html>
<html>
  
<head>
    <title>
        d3.utcWeeks() Function
    </title>
    <script src=
            "https://d3js.org/d3.v4.min.js">
    </script>
</head>
  
<body>
  
    <script>
        // Initialising start and end date
        var start = new Date(2015, 01, 01);
        var end = new Date(2015, 02, 01);
  
        // Calling the utcWeeks() function
        // without step value
        var a = d3.utcWeeks(start, end);
  
        // Getting the week values
        console.log(a);
    </script>
</body>
  
</html>


Output:

["2015-02-01T00:00:00.000Z", "2015-02-08T00:00:00.000Z", 
"2015-02-15T00:00:00.000Z", "2015-02-22T00:00:00.000Z"]

Example 2:




<!DOCTYPE html>
<html>
  
<head>
    <script src=
            "https://d3js.org/d3.v4.min.js">
    </script>
    <title>
        d3.utcWeeks() Function
    </title>
</head>
  
<body>
  
    <script>
        // Initialising start and end date
        var start = new Date(2015, 01, 01);
        var end = new Date(2015, 02, 01);
  
        // Calling the utcWeeks() function
        // with step value
        var a = d3.utcWeeks(start, end, 2);
  
        // Getting the week values
        console.log(a);
    </script>
</body>
  
</html>


Output:

["2015-02-01T00:00:00.000Z", "2015-02-15T00:00:00.000Z"]

Reference: https://devdocs.io/d3~5/d3-time#timeWeeks



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