The D3.js stackOrderOffsetExpand() method applies a zero baseline and normalizes the values for each point such that the topline is always one.
Syntax:
d3.stackOrderOffsetExpand(series, order);
Parameters: This function accepts two parameters as mentioned above and described below.
- series: This is the series based on which offset is expanded.
- order: This is the ordering of the stack.
Return Value: This method returns no value.
Example:
HTML
<!DOCTYPE html> < html > < head >     < meta charset = "utf-8" >     < script src =     </ script > </ head >   < body >     < h1 style = "text-align: center; color: green;" >         neveropen     </ h1 >       < script >         var data = [         {letter: {a: 1000, b: 2000, c: 3000, d: 4000}},         {letter: {a: 2000, b: 3000, c: 4000, d: 5000}},         {letter: {a: 640, b: 960, c: 640, d: 400}},         {letter: {a: 320, b: 480, c: 640, d: 400}}         ];         var stack = d3.stack()             .keys(["a", "b", "c", "d"])             .value((d, key) => d.letter[key])             .order(d3.stackOrderNone)               // Use of d3.stackOrderOffsetExpand() Method             .offset(d3.stackOffsetExpand);           var series = stack(data);         console.log(series);     </ script > </ body > </ html > |
Output: