Run results for: JSON.stringify vs structuredClone

Run details:

User agent: Mozilla/5.0 (Linux; Android 13; KB2003) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.167 Mobile Safari/537.36 OPR/77.2.4095.74586

Browser: Opera Mobile 77

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
JSON.stringify	335066.5 Ops/sec
structuredClone	90433.3 Ops/sec

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:

JSON.stringify
myCopy = JSON.parse(JSON.stringify(MyObject));
structuredClone
myCopy = structuredClone(MyObject);