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D3.js | d3.timeWeeks() Function

  • Last Updated : 25 Jul, 2019

The d3.timeWeeks() 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.

Syntax:

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d3.timeWeeks( start, end, step );

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

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

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



Below programs illustrate the d3.timeWeeks() function in D3.js:

Example 1:




<!DOCTYPE html>
<html>
  
<head>
    <title>
        D3.js | d3.timeWeeks() Function
    </title>
      
    <script src = 
    </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 timeWeeks() function
        // without step value
        var a = d3.timeWeeks(start, end);
          
        // Getting the week values
        console.log(a);
    </script>
      
</html>    

Output:

["2015-01-31T18:30:00.000Z", "2015-02-07T18:30:00.000Z", 
"2015-02-14T18:30:00.000Z", "2015-02-21T18:30:00.000Z"]

Example 2:




<!DOCTYPE html>
<html>
  
<head>
    <title>
        D3.js | d3.timeWeeks() Function
    </title>
      
    <script src = 
    </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 timeWeeks() function
        // with step value
        var a = d3.timeWeeks(start, end, 2);
            
        // Getting the week values
        console.log(a);
    </script>
      
</html>    

Output:

["2015-01-31T18:30:00.000Z", "2015-02-14T18:30:00.000Z"]

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




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