D3.js stack() method

The d3.stack() method constructs a new stack generator with the default settings. This stack generator can be further used to create stacks.

Syntax:

d3.stack()

Parameters: This method takes no parameters.

Return Value: This method returns a new stack generator with the default settings.

Example:



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code

<!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 = [
              {a: 3840, b: 1920, c: 960, d: 400},
              {a: 1600, b: 1440, c: 960, d: 400},
              {a:  640, b:  960, c: 640, d: 400},
              {a:  320, b:  480, c: 640, d: 400}
            ];
  
        var stackGen = d3.stack()
            .keys(["a", "b", "c", "d"])
            .order(d3.stackOrderNone)
            .offset(d3.stackOffsetNone);
  
        var stack = stackGen(data);
          
        for(var i=0;i<4;i++){
            console.log(stack[i]);
        }
          
    </script>
</body>
  
</html>

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Output:

full-stack-img




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