D3.js band.step() Function

0 0 1 minute read

The band.step() function in d3.js is used to find the step of the band which is calculated by finding the distance between the starts of adjacent bands.

Syntax:

band.step()

Parameters: This function does not accept any parameter.

Return Value: This function returns the distance between the starts of adjacent bands.

Example 1:

HTML

<!DOCTYPE html> 
<html> 
  
<head> 
    <script src= 
"https://d3js.org/d3.v4.min.js"> 
    </script> 
</head> 
  
<body> 
    <script> 
        // Creating the band scale with  
        // specified domain and range 
        var A = d3.scaleBand() 
            .domain([10, 20, 30, 40, 50]) 
            .range([0, 10]); 
  
        // Using the step() function 
        let step_val = A.step(); 
  
        // Printing the Output   
        console.log("Step Of A: ", step_val); 
    </script> 
</body> 
  
</html> 

Output:

Step Of A:  2

Example 2:

HTML

<!DOCTYPE html> 
<html> 
  
<head> 
    <script src= 
        "https://d3js.org/d3.v4.min.js"> 
    </script> 
</head> 
  
<body> 
    <script> 
        // Creating the band scale with  
        // specified domain and range 
        var B = d3.scaleBand() 
            .domain(["one", "two", 
                "three", "four"]) 
            .range([0, 60]); 
  
        // Using the step() function 
        let step_val = B.step(); 
  
        // Printing the Output   
        console.log("Step in B: ", step_val); 
    </script> 
</body> 
  
</html> 

Output:

Step in B:  15

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