Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36
Chrome 105
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
spread ... 47028952.0 Ops/sec
slice() 59064920.0 Ops/sec
splice(0) 38587452.0 Ops/sec
concat() 52487140.0 Ops/sec
JSON.parse(JSON.stringify()) 2135781.2 Ops/sec
Custom function 1958618.0 Ops/sec
Lodash.cloneDeep() 1495163.2 Ops/sec
jQuery.extend(true) 1571196.5 Ops/sec
HTML Preparation code:
Tests:
  • spread ...

  • slice()

  • splice(0)

  • concat()

  • JSON.parse(JSON.stringify())

  • Custom function

  • Lodash.cloneDeep()

  • jQuery.extend(true)