Run results for: JSON.stringify vs slice

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:151.0) Gecko/20100101 Firefox/151.0

Browser: Firefox 151

Operating system: Linux

Device Platform: Desktop

Date tested: 3 months ago

Benchmark engine: Benchmark.js

structuredClone

33.3M/s

JSON.stringify

1.1M/s

View exact numbers

Test name	Executions per second
✓ structuredClone	33,337,794 Ops/sec
JSON.stringify	1,062,060 Ops/sec

Script Preparation code:

var vertices = [
      [1, 0, 0, 0],
      [0, 1, 0, 0],
      [0, 0, 1, 0],
      [0, 0, 0, 1],
    ]

var myCopy = null;

Tests: