Run results for: Group by

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; Lenovo TB-7306F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36

Browser: Chrome 107

Operating system: Android

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Pure JS	5839237.0 Ops/sec
Lodash prop	3466989.0 Ops/sec
Lodash func	4993256.5 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var inventory = [{
        name: "asparagus",
        type: "vegetables",
        quantity: 5
    },
    {
        name: "bananas",
        type: "fruit",
        quantity: 0
    },
    {
        name: "goat",
        type: "meat",
        quantity: 23
    },
    {
        name: "cherries",
        type: "fruit",
        quantity: 5
    },
    {
        name: "fish",
        type: "meat",
        quantity: 22
    },
];

Tests:

Pure JS
const result = Object.groupBy(inventory, ({ type }) => type);
Lodash prop
_.groupBy(inventory, 'type');
Lodash func
_.groupBy(inventory, ({ type }) => type);

Pure JS

Lodash prop

Lodash func