Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36
Chrome 94
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
array.unshift(0); 45497.2 Ops/sec
array = [0].concat(array) 1836.6 Ops/sec
[0, ...array] 407.0 Ops/sec
Script Preparation code:
Tests:
  • array.unshift(0);

  • array = [0].concat(array)

  • [0, ...array]