Run results for: Array Fill comparison

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Array fill (has reference issues)

2.5M/s

Array from

134K/s

Array map

112K/s

Array spread operator

111K/s

For and push

61K/s

View exact numbers

Test name	Executions per second
✓ Array fill (has reference issues)	2,511,097 Ops/sec
Array from	133,875 Ops/sec
Array map	111,942 Ops/sec
Array spread operator	111,137 Ops/sec
For and push	61,497 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: