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:
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