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D3.js stackOrderReverse() Method
  • Last Updated : 15 Sep, 2020

The d3.stackOrderReverse() method orders the series based on the ordering of the keys as defined by stack.keys() method.

Syntax:

d3.stackOrderReverse(series)

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

  • series: This is the series based on the ordering of the keys to be ordered.

Return Value: This method returns no value.

Example: Ordering the stack using d3.stackOrderReverse function.



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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
  
    <script src=
        "https://d3js.org/d3.v5.min.js">
    </script>
</head>
  
<body>
    <h1 style="text-align: center; color: green;">
        GeeksforGeeks
    </h1>
  
    <center>
        <canvas id="gfg" width="200" height="200">
        </canvas>
    </center>
  
    <script>
        var data = [
              {letter: {a: 3840, b: 1920, c: 960, d: 400}},
              {letter: {a: 1600, b: 1440, c: 960, d: 400}},
              {letter: {a:  640, b:  960, c: 640, d: 400}},
              {letter: {a:  320, b:  480, c: 640, d: 400}}
            ];
  
        var stackGen = d3.stack()
            // Defining keys
            .keys(["a", "b", "c", "d"])
            // Ordering
            .order(d3.stackOrderReverse);
        
        var stack = stackGen(data);
          
        console.log(stack);
  
    </script>
</body>
  
</html>

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Output:

full-stack-img

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