Run results for: klona vs structuredClone

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

klona

7.8M/s

Native structuredClone

824K/s

View exact numbers

Test name	Executions per second
✓ klona	7,841,716 Ops/sec
Native structuredClone	823,631 Ops/sec

HTML Preparation code:

<script src='https://unpkg.com/klona@2.0.6/json/index.min.js'></script>

Script Preparation code:

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...'
  }
};

var myCopy = null;

Tests:

klona
myCopy = klona.klona(MyObject);
Native structuredClone
myCopy = structuredClone(MyObject);

Run results for: klona vs structuredClone

https://developer.mozilla.org/en-US/docs/Web/API/structuredClone

klona

Native structuredClone