Run results for: Angular Copy vs Angular Copy w/ Depth vs Lodash Copy vs Lodash Copy Deep vs JSON

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

Browser: Chrome 69

Operating system: Mac OS X 10.12.6

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Angular copy	171536.0 Ops/sec
Angular copy depth 2	163641.8 Ops/sec
Lodash Clone	184167.5 Ops/sec
Lodash Deep Clone	74146.5 Ops/sec
To JSON and Back	80534.4 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);
Angular copy depth 2
angular.copy(obj, {}, 2);
Lodash Clone
_.clone(obj);
Lodash Deep Clone
_.cloneDeep(obj);
To JSON and Back
JSON.parse(JSON.stringify(obj));

Run results for: Angular Copy vs Angular Copy w/ Depth vs Lodash Copy vs Lodash Copy Deep vs JSON

compare object copy

Angular copy

Angular copy depth 2

Lodash Clone

Lodash Deep Clone

To JSON and Back