Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0
Firefox 142
Ubuntu
Desktop
8 months ago
Test name Executions per second
spread ... 14990725.0 Ops/sec
slice() 19983984.0 Ops/sec
splice(0) 15555317.0 Ops/sec
concat() 18585080.0 Ops/sec
JSON.parse(JSON.stringify()) 1361779.4 Ops/sec
Custom function 2245459.8 Ops/sec
Lodash.cloneDeep() 1098204.9 Ops/sec
jQuery.extend(true) 1054501.0 Ops/sec
HTML Preparation code:
Tests:
  • spread ...

  • slice()

  • splice(0)

  • concat()

  • JSON.parse(JSON.stringify())

  • Custom function

  • Lodash.cloneDeep()

  • jQuery.extend(true)