Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
Chrome 119
Mac OS X 10.15.7
Desktop
5 months ago
Test name Executions per second
spread ... 58652730.0 Ops/sec
slice() 73358900.0 Ops/sec
splice(0) 50119160.0 Ops/sec
concat() 69496800.0 Ops/sec
JSON.parse(JSON.stringify()) 2420538.0 Ops/sec
Custom function 2676753.0 Ops/sec
Lodash.cloneDeep() 1917867.0 Ops/sec
jQuery.extend(true) 2001286.0 Ops/sec
HTML Preparation code:
Tests:
  • spread ...

  • slice()

  • splice(0)

  • concat()

  • JSON.parse(JSON.stringify())

  • Custom function

  • Lodash.cloneDeep()

  • jQuery.extend(true)