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Run results for:
Angular Copy vs Lodash Copy vs Object assign
compare object copy
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=576214" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.2
Device Platform:
Mobile
Date tested:
one year ago
Benchmark engine:
Benchmark.js
Object assign
34.9M/s
Angular copy
1.7M/s
Lodash Deep Clone
269K/s
View exact numbers
Test name
Executions per second
✓
Object assign
34,912,792 Ops/sec
Angular copy
1,678,798 Ops/sec
Lodash Deep Clone
268,920 Ops/sec
HTML Preparation code:
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.16.1/lodash.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular.min.js"></script>
Script Preparation code:
var obj = { "crossKey": "EURUSD", "dayLowPrice": 1.13045, "dayHighPrice": 1.13535, "previousClosePrice": 1.13215, "priceHist1": 107190404, "priceHist2": 250587665, "priceHist3": 765906410, "priceHist4": 274925633, "sparkline": 102925375, "spotPrice": 1.1307, "midPrice": 1.1307, "precision": 4, "percentChanged": -0.128, "threeMonthForecast": 1.08, "sixMonthForecast": 1.04, "tradable": true, "deliverable": true, "key": "EURUSD", "displayName": "EUR USD", "symbolId": "EURUSD", "objectId": 1, "assetType": "fx", "percentChange": -0.13, "selected": true, "lineChart": "9991581684158672254519078266440407", "barChart": [9, 43, 92, 47, 41, 21, 75, 32, 51, 19, 56, 97, 89, 36, 70, 2, 83, 61, 88, 47, 31, 54], "candleChart": "3869460804391469604270058742695196", "midPriceModel": "Price: key EURUSD, rate 1.1307, precision 4, appendFrac false, => 1.13 07 ", "spotPriceModel": "Price: key EURUSD, rate 1.1307, precision 4, appendFrac false, => 1.13 07 ", "crossCurrencies": ["EUR", "USD"], "unpackedSparkLine": { "price": 2, "priceDirection": 1, "fiveMinHigh": 4, "fiveMinLow": 0, "spike": 0, "scale": 30 }, "priceHistory": [3, 6, 7, 6, 4, 4, 7, 14, 31, 10, 16, 17, 22, 26, 13, 19, 15, 10, 8, 6, 6, 2, 2, 1] };
Tests:
Angular copy
angular.copy(obj);
Lodash Deep Clone
_.cloneDeep(obj);
Object assign
Object.assign({}, obj)