Run results for: JSON stringify vs slice vs structuredClone vs spread vs Array from

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36

Browser: Chrome 144

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 7 months ago

Benchmark engine: Benchmark.js

slice

11.1M/s

Spread

10.7M/s

Array from

10.5M/s

JSON.stringify

2.0M/s

structuredClone

827K/s

View exact numbers

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: