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Run results for:
Deep merge lodash vs ramda vs deepmerge vs es-toolkit
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=615674" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0
Browser:
Firefox 142
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Ramda.mergeDeepRight
167K/s
es-toolkit merge
40K/s
Lodash.merge
25K/s
deepmerge
23K/s
View exact numbers
Test name
Executions per second
✓
Ramda.mergeDeepRight
167,247 Ops/sec
es-toolkit merge
40,079 Ops/sec
Lodash.merge
24,544 Ops/sec
deepmerge
23,418 Ops/sec
HTML Preparation code:
<script src="https://cdn.jsdelivr.net/npm/es-toolkit/dist/browser.global.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/lodash.merge/index.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/ramda/dist/ramda.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/deepmerge/dist/umd.min.js"></script>
Script Preparation code:
var obj1 = [ { "id": "0001", "type": "donut", "name": "Cake", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Regular" }, { "id": "1002", "type": "Chocolate" }, { "id": "1003", "type": "Blueberry" }, { "id": "1004", "type": "Devil's Food" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5005", "type": "Sugar" }, { "id": "5007", "type": "Powdered Sugar" }, { "id": "5006", "type": "Chocolate with Sprinkles" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] }, { "id": "0002", "type": "donut", "name": "Raised", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Regular" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5005", "type": "Sugar" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] }, { "id": "0003", "type": "donut", "name": "Old Fashioned", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Regular" }, { "id": "1002", "type": "Chocolate" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] } ] var obj2 = [ { "id": "0001", "type": "donut", "name": "Cake", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Overwritten" }, { "id": "1002", "type": "Chocolate" }, { "id": "1003", "type": "Overwritten" }, { "id": "1004", "type": "Devil's Food" } ] }, "topping": [ { "id": "5001", "type": "Overwritten" }, { "id": "5002", "type": "Overwritten" }, { "id": "5005", "type": "Sugar" }, { "id": "5007", "type": "Powdered Sugar" }, { "id": "5006", "type": "Chocolate with Sprinkles" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Overwritten" } ] }, { "id": "0002", "type": "Overwritten", "name": "Raised", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Overwritten" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Overwritten" }, { "id": "5005", "type": "Sugar" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] }, { "id": "0003", "type": "Overwritten", "name": "Old Fashioned", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Overwritten" }, { "id": "1002", "type": "Chocolate" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] } ]
Tests:
Ramda.mergeDeepRight
R.mergeDeepRight(obj1, obj2)
Lodash.merge
merge(obj1, obj2)
deepmerge
deepmerge(obj1, obj2)
es-toolkit merge
_.merge(obj1, obj2)