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; rv:109.0) Gecko/20100101 Firefox/111.0

Browser: Firefox 111

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

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: