Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 YaBrowser/21.8.0.1716 Yowser/2.5 Safari/537.36
Yandex Browser 21
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
array.unshift(0); 41257.8 Ops/sec
array = [0].concat(array) 2192.4 Ops/sec
[0, ...array] 372.6 Ops/sec
Script Preparation code:
Tests:
  • array.unshift(0);

  • array = [0].concat(array)

  • [0, ...array]