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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

slice

12.7M/s

Spread

11.2M/s

Array from

7.5M/s

JSON.stringify

1.7M/s

structuredClone

666K/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: