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

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0

Browser: Firefox 130

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

slice

32.2M/s

Spread

15.9M/s

Array from

8.8M/s

JSON.stringify

675K/s

structuredClone

333K/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: