D3.js | d3.utcWednesdays() Function

The d3.utcWednesdays() function in D3.js is used to return all the dates based on Wednesday in the given range of start and end date in Coordinated Universal Time (UTC).

Syntax:

d3.utcWednesdays(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: This is the optional value used to skip dates.

Return Value: This function returns all the dates based on Wednesday in Coordinated Universal Time (UTC).

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

Example 1:

<!DOCTYPE html> 
<html> 

   <head> 

      <title> 

          D3.js | d3.utcWednesdays() 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, 07, 01); 

         var end = new Date(2015, 07, 30); 

         // Calling the utcWednesdays() function 

         // without step value 

         var a = d3.utcWednesdays(start, end); 

         // Getting the Wednesday dates 

         console.log(a); 

      </script> 

   </body> 
</html>

Output:

["2015-08-05T00:00:00.000Z","2015-08-12T00:00:00.000Z",
 "2015-08-19T00:00:00.000Z","2015-08-26T00:00:00.000Z"]

Example 2:

<!DOCTYPE html> 
<html> 

   <head> 

      <title> 

          D3.js | d3.utcWednesdays() 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, 07, 01); 

         var end = new Date(2015, 07, 30); 

         // Calling the utcWednesdays() function 

         // with step value 

         var a = d3.utcWednesdays(start, end, 2); 

         // Getting the Wednesday dates 

         console.log(a); 

      </script> 

   </body> 
</html>

Output:

["2015-08-05T00:00:00.000Z","2015-08-19T00:00:00.000Z"]

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

Article Tags :

JavaScript

Web Technologies

D3.js