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D3.js ticks() Function

  • Last Updated : 19 Jul, 2020

The ticks()  function in D3.js is used to form an array of between a given range of start and stop both inclusive such that each element is uniformly and equally spaced.

Syntax:

d3.ticks(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 an array of nicely-rounded numbers.

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>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 10 elements in a range
    // Note that each element is equally spaced
    console.log(d3.ticks(10, 20, 20))
  </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 10 elements in a range
    console.log(d3.ticks(10, 20))
  </script>
</body>
</html>

Output:




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