D3.js | d3.utcMonday Function

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

Syntax:

d3.utcMonday.range( start, end, step );

Parameters: This function accept three parameters as mentioned above and described 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 Monday.

Below programs illustrate the d3.utcMonday function in D3.js:

Example 1:

<!DOCTYPE html> 
<html> 

<head> 

    <title> 

        D3.js | d3.utcMonday 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 utcMonday function 

        // without step value 

        var a = d3.utcMonday.range(start, end); 

        // Getting the Monday dates 

        console.log(a); 

    </script> 
</body> 

</html>

Output:

["2015-08-03T00:00:00.000Z", "2015-08-10T00:00:00.000Z", 
"2015-08-17T00:00:00.000Z", "2015-08-24T00:00:00.000Z"]

Example 2:

<!DOCTYPE html> 
<html> 

<head> 

    <title> 

        D3.js | d3.utcMonday 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 utcMonday function 

        // with step value 

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

        // Getting the Monday dates 

        console.log(a); 

    </script> 
</body> 

</html>

Output:

["2015-08-03T00:00:00.000Z", "2015-08-17T00:00:00.000Z"]

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

Article Tags :

JavaScript

Web Technologies

D3.js