Run results for: lodash vs deepmerge

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.53 Safari/537.36 Edg/103.0.1264.37

Browser: Chrome 103

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
lodash	112619.8 Ops/sec
deepmerge	260793.4 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.6.2/lodash.min.js'></script>
<script src='https://unpkg.com/deepmerge@4.2.2/dist/umd.js'></script>

Tests:

lodash
var a = { a: 'oh', b: 'my', c: { a: 'a', b: { c: 'c' } } }; var b = { c: { b: { d: 'a' }, c: { d: 'd' } } }; var c = _.merge({}, a, b); const x = { foo: { bar: 3 }, array: [{ does: 'work', too: [ 1, 2, 3 ] }] } const y = { foo: { baz: 4 }, quux: 5, array: [{ does: 'work', too: [ 4, 5, 6 ] }, { really: 'yes' }] } var z = _.merge({}, x, y);
deepmerge
var a = { a: 'oh', b: 'my', c: { a: 'a', b: { c: 'c' } } }; var b = { c: { b: { d: 'a' }, c: { d: 'd' } } }; var c = deepmerge({}, a, b); const x = { foo: { bar: 3 }, array: [{ does: 'work', too: [ 1, 2, 3 ] }] } const y = { foo: { baz: 4 }, quux: 5, array: [{ does: 'work', too: [ 4, 5, 6 ] }, { really: 'yes' }] } var z = deepmerge({}, x, y);