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:
<!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:
<!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: