D3.js tickStep() Function

Last Updated : 19 Jul, 2020

The tickStep() function in D3.js is used to return the difference between the adjacent tick values in the array.

Syntax:

tickStep(start,stop,count);

Parameters: This function accepts three parameters as mentioned above and described below:

start: It is the starting value from where we want the array element to be, it is inclusive.
stop: It is the starting value to which we want the array element to be, it is inclusive.
count: It is the number of elements we want in a given start and stops range.

Return value: It returns that step value in floating point representation.

Below given are a few examples of ticks() function

Example 1:

HTML

<!DOCTYPE html> 
<html lang="en"> 
<head> 
  <meta charset="UTF-8"> 
  <meta name="viewport" 
        content="width=device-width, initial-scale=1.0"> 
  <title>D3 tickStep() Function</title> 
</head> 
<body> 
  <!--fetching from CDN of D3.js -->
  <script type = "text/javascript" 
          src = "https://d3js.org/d3.v4.min.js"> 
  </script> 
  <script> 
    // Choosing 10 elements in a range 
    let step=d3.tickStep(10, 20, 10); 
    console.log("Difference between each tick value is: ",step); 
      
  </script> 
</body> 
</html> 

Output:

Example 2:

HTML

<!DOCTYPE html> 
<html lang="en"> 
<head> 
  <meta charset="UTF-8"> 
  <meta name="viewport" 
        content="width=device-width, initial-scale=1.0"> 
  <title>Document</title> 
</head> 
<body> 
  <!--fetching from CDN of D3.js -->
  <script type = "text/javascript" 
          src = "https://d3js.org/d3.v4.min.js"> 
  </script> 
  <script> 
    // Choosing 1000 elements in a range 
    let step=d3.tickStep(10, 15, 1000); 
    console.log("Difference between"+ 
                " each tick value is: ",step); 
  
  </script> 
</body> 
</html> 

Output:

Example 3: If the stop is less then start

HTML

<!DOCTYPE html> 
<html lang="en"> 
<head> 
  <meta charset="UTF-8"> 
  <meta name="viewport" 
        content="width=device-width, initial-scale=1.0"> 
  <title>Document</title> 
</head> 
<body> 
  <!--fetching from CDN of D3.js -->
  <script type = "text/javascript" 
          src = "https://d3js.org/d3.v4.min.js"> 
  </script> 
  <script> 
    // Choosing 1000 elements in a range 
    let step=d3.tickStep(10, 5, 1000); 
    console.log("Difference between"+ 
                " each tick value is: ",step); 
  
  </script> 
</body> 
</html> 