Run results for: Test 5 copy methods - bigger data

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36

Browser: Chrome 118

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
JSONCopy	10189.4 Ops/sec
lodashCopy	6468.3 Ops/sec
customDeepCopy	2984.7 Ops/sec
spreadCopy	8288876.0 Ops/sec
assignCopy	3708483.0 Ops/sec

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          "versions": [
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};

function JSONCopy (data) {
	const copy = JSON.parse(JSON.stringify(data));
  	return copy;
}

function lodashCopy (data) {
	const copy = _.cloneDeep(data);
	return copy;
}

function customDeepCopy(obj){
	if(Array.isArray(obj)){
		var arr = [];
		for (var i = 0; i < obj.length; i++) {
			arr[i] = customDeepCopy(obj[i]);
		}
		return arr;
	}

	if(typeof(obj) == "object"){
		var cloned = {};
		for(key in obj){
			cloned[key] = customDeepCopy(obj[key])
		}
		return cloned;	
	}
	return obj;
}

function spreadCopy (data) {
	const copy = { ...data };
    return copy;
}

function assignCopy (data) {
	const copy = Object.assign({}, data);
  	return copy;
}

Tests:

JSONCopy
JSONCopy(source);
lodashCopy
lodashCopy(source);
customDeepCopy
customDeepCopy(source);
spreadCopy
spreadCopy(source);
assignCopy
assignCopy(source);