Run results for: test clonedeep against other things

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36

Browser: Chrome 141

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 6 months ago

Test name	Executions per second
clonedeep	259.7 Ops/sec
structuredClone	344.9 Ops/sec
json parsing	469.5 Ops/sec
Object Assign	10835333.0 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

let bigArray = [];
for (i = 0; i < 10000; i++) {
    bigArray.push([{
      first: i,
      second: `${i} som en sträng`,
      third: i * 3.14,
    }]);
}
var MyObject = {
    description: 'Creates a deep copy of source, which should be an object or an array.',
    myNumber: 123456789,
    myBoolean: true,
    jayson: {
        stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
        parse: 'JSON.parse() method parses a JSON string...'
    },
    bigobjectArray: bigArray,
};

var myCopy = null;

Tests:

clonedeep
myCopy = _.cloneDeep(MyObject);
structuredClone
myCopy = structuredClone(MyObject);
json parsing
myCopy = JSON.parse(JSON.stringify(MyObject));
Object Assign
myCopy = Object.assign({}, MyObject);

Run results for: test clonedeep against other things

clonedeep

structuredClone

json parsing

Object Assign