D3.js | d3.utcThursdays() Function

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

Syntax:

d3.utcThursdays( 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 dates.

Return Value: This function returns all the dates based on Thursday.

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

Example 1:

<!DOCTYPE html> 
<html> 

<head> 

    <title> 

        D3.js | d3.utcThursdays() 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 utcThursdays() function 

        // without step value 

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

        // Getting the Thursday dates 

        console.log(a); 

    </script> 
</body> 

</html>

Output:

["2015-08-06T00:00:00.000Z", "2015-08-13T00:00:00.000Z", 
"2015-08-20T00:00:00.000Z", "2015-08-27T00:00:00.000Z"]

Example 2:

<!DOCTYPE html> 
<html> 

<head> 

    <title> 

        D3.js | d3.utcThursdays() 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 utcThursdays() function 

         // with step value 

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

         // Getting the Thursday dates 

         console.log(a); 

    </script> 
</body> 

</html>

Output:

["2015-08-06T00:00:00.000Z", "2015-08-20T00:00:00.000Z"]

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

Article Tags :

JavaScript

Web Technologies

D3.js