D3.js quantile.invertExtent() Function

The quantile.invertExtent() function in d3.js is used to return the extent of the values that are present in the specified domain for the corresponding value in the range.

Syntax:

quantile.invertExtent( value )

Parameters: This function accepts a single parameter as given above and described below:

value: It is the value that corresponds to the specified range.

Return Values: This function returns a value from the specified domain.

Below programs illustrate the quantile.invertExtent() 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=
    "https://d3js.org/d3-interpolate.v1.min.js">
    </script>
    <script src=
    "https://d3js.org/d3-scale-chromatic.v1.min.js">
    </script>
</head>

<body>
    <h1 style="color: green;">
        GeeksforGeeks
    </h1>

    <p>quantile.invertExtent() Function </p>

    <script>
        var quantile = d3.scaleQuantile()
            // Setting domain for the scale.
            .domain([1, 10])
            // Setting the range of the scale.
            .range([0, 960]);

        // Printing the output
        document.write("<h3>" +
            quantile.invertExtent(960) +
            "</h3>");
        document.write("<h3>" +
            quantile.invertExtent(0) +
            "</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=
    "https://d3js.org/d3-interpolate.v1.min.js">
    </script>
    <script src=
    "https://d3js.org/d3-scale-chromatic.v1.min.js">
    </script>
</head>

<body>
    <h1 style="color: green;">
        GeeksforGeeks
    </h1>

    <p>quantile.invertExtent() Function </p>

    <script>
        var quantile = d3.scaleQuantile()
            // Setting domain for the scale.
            .domain([1, 10])
            // Setting the range of the scale.
            .range(["red", "blue", "orange"]);

        // Printing the output
        document.write(
            "<h3>quantile.invertExtent(\"blue\"): " +
            quantile.invertExtent("blue") + "</h3>");
        document.write(
            "<h3>quantile.invertExtent(\"red\"): " +
            quantile.invertExtent("red") + "</h3>");
    </script>
</body>

</html>

Output:

D3.js quantile.invertExtent() Function

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