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:
<!DOCTYPE html> < html >
< head >
< meta charset = "utf-8" >
< script src =
</ 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: