The d3.timeMonths() function in D3.js is used to return all the months with date in the given range of start and end date.
Syntax:
d3.timeMonths(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 optional parameter which holds the value used to skip the months.
Return Value: This function returns all the possible months in the given range.
Below programs illustrate the d3.timeMonths() function in D3.js:
Example 1:
<!DOCTYPE html> <html>    <head>       <title>           D3.js | d3.timeMonths() 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, 05, 01);                     // Calling the timeMonths() function          // without step value          var a = d3.timeMonths(start, end);                     // Getting the months values          console.log(a);       </script>    </body> </html> |
Output:
["2015-01-31T18:30:00.000Z", "2015-02-28T18:30:00.000Z", "2015-03-31T18:30:00.000Z", "2015-04-30T18:30:00.000Z"]
Example 2:
<!DOCTYPE html> <html>    <head>       <script src =       </script>         <title>           D3.js | d3.timeMonths() Function       </title>      </head>       <body>                <script>                   // Initialising start and end date          var start = new Date(2015, 01, 01);          var end = new Date(2015, 05, 01);                     // Calling the timeMonths() function          // with step value          var a = d3.timeMonths(start, end, 2);                     // Getting the months values          console.log(a);       </script>    </body> </html> |
Output:
["2015-01-31T18:30:00.000Z", "2015-03-31T18:30:00.000Z"]
Reference: https://devdocs.io/d3~5/d3-time#timeMonths