The stack.order() method takes an ordering function as an argument and returns the stack generator.
Syntax:
stack.order(orderingFunc)
Parameters: This function accepts a single parameter as mentioned above and described below:
- orderingFunc: This is a function that orders the stack content.
Return Value: This method returns the stack generator.
Example 1: Ordering the stack using d3.stackOrderNone function.
HTML
<!DOCTYPE html> < html > < head >     < meta charset = "utf-8" >       < script src =     </ script > </ head >   < body >     < h1 style = "text-align: center; color: green;" >         neveropen     </ 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.stackOrderNone);           var stack = stackGen(data);                   console.log(stack);       </ script > </ body >   </ html > |
Output:
Example 2: Ordering the stack using d3.stackOrderReverse function.
HTML
<!DOCTYPE html> < html > < head >     < meta charset = "utf-8" >       < script src =     </ script > </ head >   < body >     < h1 style = "text-align: center; color: green;" >         neveropen     </ 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 > |
Output: