Run results for: Array.includes vs Set.has vas Map.has vs Object accessor : with string

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36

Browser: Chrome 118

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Array includes	22905366.0 Ops/sec
Set has	22903252.0 Ops/sec
Map has	23062248.0 Ops/sec
Object accessor	22930014.0 Ops/sec

Script Preparation code:

var a =  [
  "ZBLF",
  "ZPSF",
  "ZOCF",
  "ZSDF",
  "ZBLP",
  "ZPSP",
  "ZOCP",
  "ZSDP",
  "MWST",
];
var b = new Set([
  "ZBLF",
  "ZPSF",
  "ZOCF",
  "ZSDF",
  "ZBLP",
  "ZPSP",
  "ZOCP",
  "ZSDP",
  "MWST",
]);
var c = new Map([
  ["ZBLF", true],
  ["ZPSF", true],
  ["ZOCF", true],
  ["ZSDF", true],
  ["ZBLP", true],
  ["ZPSP", true],
  ["ZOCP", true],
  ["ZSDP", true],
  ["MWST", true],
]);
var d = {a: "ZBLF", b: "ZPSF", c: "ZOCF", d: "ZSDF", e: "ZBLP", f:"ZPSP", g:"ZOCP", h:"ZSDP", i:"MWST"};

Tests:

Array includes
return a.includes("MWST");
Set has
return b.has("MWST");
Map has
return c.has("MWST");
Object accessor
return d["MWST"]

Run results for: Array.includes vs Set.has vas Map.has vs Object accessor : with string

Array includes

Set has

Map has

Object accessor