Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36
Chrome 67
Windows
Desktop
6 years ago
Test name Executions per second
Array.prototype.concat 4527665.5 Ops/sec
spread operator 14613377.0 Ops/sec
Lodash merge 232378.2 Ops/sec
HTML Preparation code:
Tests:
  • Array.prototype.concat

  • spread operator

  • Lodash merge