Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:59.0) Gecko/20100101 Firefox/59.0
Firefox 59
Mac OS X 10.13
Other
6 years ago
Test name Executions per second
Array.prototype.concat 8341180.0 Ops/sec
spread operator 25247998.0 Ops/sec
Lodash merge 3586602.5 Ops/sec
HTML Preparation code:
Tests:
  • Array.prototype.concat

  • spread operator

  • Lodash merge