Benchmark: Lodash Deep Copy2

HTML Preparation code:

<!--your preparation HTML code goes here-->
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>

Script Preparation code:

var arr = new Array(1000).fill(null).map(() => ({
    id: Math.random(),
    event_id: `evt_${Math.random()}`,
    calendar_id: `cal_${Math.random()}`,
    event_json: {
        title: "Test Event",
        description: "Test Description",
        startDate: "2024-01-01",
        endDate: "2024-01-02",
        location: {
            address: "123 Test St",
            lat: 44.4582983,
            lng: -93.1616132
        },
        attendees: [
            { email: "test1@test.com", response: "accepted" },
            { email: "test2@test.com", response: "pending" }
        ]
    },
    is_latest: 1,
    start_date: "2024-01-01",
    end_date: "2024-01-02"
}));

Tests:

Lodash copydeep
myCopy = _.cloneDeep(arr);
Spread operator
myCopy = [...arr];

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash copydeep
Spread operator

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Browser/OS: Firefox 128 on Mac OS X 10.15

View result in a separate tab

Spread operator

266K/s

Lodash copydeep

464/s

View exact numbers

Test name	Executions per second
✓ Spread operator	265,609 Ops/sec
Lodash copydeep	464 Ops/sec

Lodash Deep Copy2 (version: 1)

Comparing performance of: `Lodash copydeep vs Spread operator`

Created: one year ago by: Guest

Go to the latest result

Lodash copydeep

Spread operator

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Lodash Deep Copy2 (version: 1)

Comparing performance of: Lodash copydeep vs Spread operator

Created: one year ago by: Guest

Go to the latest result

Lodash copydeep

Spread operator

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `Lodash copydeep vs Spread operator`