Run results for: Map vs Object new

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
GetFromArray	867.4 Ops/sec
GetFromMap	880.6 Ops/sec

Script Preparation code:

var arr = [{
        code: "a",
        status: "1"
    },
    {
        code: "b",
        status: "2"
    },
    {
        code: "c",
        status: "3"
    },
    {
        code: "d",
        status: "4"
    },
    {
        code: "e",
        status: "5"
    },
    {
        code: "f",
        status: "6"
    },
    {
        code: "g",
        status: "7"
    },
    {
        code: "h",
        status: "8"
    }
]

var arrForMap = [
    ["a", "1"],
    ["b", "2"],
    ["c", "3"],
    ["d", "4"],
    ["e", "5"],
    ["f", "6"],
    ["g", "7"],
    ["h", "8"],
]

Tests:

GetFromArray
for (i = 0; i < 10000; i++) { a = arr.find((e) => e.code === "h").status; }
GetFromMap
const newMap = new Map(arrForMap); for (i = 0; i < 10000; i++) { a = newMap.get("h"); }

Run results for: Map vs Object new

my own

GetFromArray

GetFromMap