Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36
Chrome 71
Windows
Desktop
5 years ago
Test name Executions per second
Array.prototype.concat 3217234.2 Ops/sec
spread operator 9709545.0 Ops/sec
Lodash merge 212867.8 Ops/sec
HTML Preparation code:
Tests:
  • Array.prototype.concat

  • spread operator

  • Lodash merge