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D3.js scaleQuantile() Function

The d3.scaleQuantile() function in D3.js is used to create and return a new quantile scale that has the specified domain and range. In case the domain or the range is not specified, each value is set to empty array by default.

Syntax:

d3.scaleQuantile( domain, range )

Parameters: This function accepts two parameters as given above and described below:

  • domain: It is an array of only integers that defines the extent of domain values. It is an optional parameter. The default value is set to empty array.
  • range: It is an array of integers or strings. It is an optional parameter. The default value is set to empty array.

Return Values: This function does not return anything.

Below programs illustrate the d3.scaleQuantile() function in D3.js:

Example 1:

HTML




<!DOCTYPE html>
<html>
  
<head>
    <script src="https://d3js.org/d3.v4.min.js">
    </script>
    <script src="https://d3js.org/d3-color.v1.min.js">
    </script>
    <script src=
    </script>
    <script src=
    </script>
</head>
  
<body>
    <h1 style="color: green;">neveropen</h1>
  
    <p>d3.ScaleQuantile() Function </p>
  
    <script>
        // Using scaleQuantile function
        var quantile = d3.scaleQuantile()
            .domain([0, 1])
            .range(["blue", "yellow", "green"]);
  
        document.write("<h3>" +
            quantile(0) + "</h3>");
        document.write("<h3>" +
            quantile(0.3) + "</h3>");
        document.write("<h3>" +
            quantile(0.5) + "</h3>");
        document.write("<h3>" +
            quantile(0.9) + "</h3>");
    </script>
</body>
  
</html>


Output:

Example 2:

HTML




<!DOCTYPE html>
<html>
  
<head>
    <script src="https://d3js.org/d3.v4.min.js">
    </script>
    <script src="https://d3js.org/d3-color.v1.min.js">
    </script>
    <script src=
    </script>
    <script src=
    </script>
</head>
  
<body>
    <h1 style="color: green;">
        neveropen
    </h1>
  
    <p>d3.ScaleQuantile() Function </p>
  
    <script>
        // Using the scaleQuantile function
        var quantile = d3.scaleQuantile()
            .domain([0, 1])
            .range([1, 100]);
  
        document.write("<h3>" +
            quantile(0) + "</h3>");
        document.write("<h3>" +
            quantile(0.3) + "</h3>");
        document.write("<h3>" +
            quantile(0.5) + "</h3>");
        document.write("<h3>" +
            quantile(0.9) + "</h3>");
    </script>
</body>
  
</html>


Output:

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