Run results for: Array Fill comparison

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Array fill (has reference issues)

697K/s

Array spread operator

46K/s

Array from

45K/s

Array map

41K/s

For and push

23K/s

View exact numbers

Test name	Executions per second
✓ Array fill (has reference issues)	696,929 Ops/sec
Array spread operator	45,618 Ops/sec
Array from	44,851 Ops/sec
Array map	40,783 Ops/sec
For and push	22,723 Ops/sec

HTML Preparation code:

<div id=''></div>

Script Preparation code:

var ARRAY_SIZE = 250;

var createSampleObject = function() {
    return {
        "id": 538,
        "uid": "9b14d2b5-a0c5-409d-a8bf-4b569a5ce10b",
        "vin": "54A1LF7KKBT858198",
        "make_and_model": "Honda Odyssey",
        "color": "Violet",
        "transmission": "Automatic",
        "drive_type": "RWD",
        "fuel_type": "Ethanol",
        "car_type": "Regular Cab Pickup",
        "car_options": [
            "Rear Window Defroster",
            "MP3 (Single Disc)",
            "Airbag: Driver",
            "CD (Multi Disc)",
            "Alloy Wheels",
            "Cruise Control",
            "Rear Window Wiper",
            "MP3 (Multi Disc)",
            "Power Locks"
        ],
        "specs": [
            "Bright pedals",
            "Immobilizer system",
            "Pwr accessory delay",
            "Enhanced accident response system unlocks the doors, shuts off the fuel pump and turns on interior lights after airbag deploys",
            "Carpeted cargo area",
            "Floor carpeting",
            "Black windshield molding",
            "Optitron electroluminescent instrumentation"
        ],
        "doors": 2,
        "mileage": 16246,
        "kilometrage": 86360,
        "license_plate": "DQX-9667"
    }
};

Tests: