Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Chrome 130
Mac OS X 10.15.7
Desktop
one year ago
Object.assign shallow clone
4.7M/s
Native map(shallow clone)
3.8M/s
Native map deep slice at 0(turns objects into arrays)
247K/s
Native map deep slice(turns objects into arrays)
247K/s
Recursive deep clone
11K/s
Map deep clone
11K/s
Native JSON parse
3K/s
Lodash cloneDeep
3K/s
View exact numbers
Test name Executions per second
Object.assign shallow clone 4,730,144 Ops/sec
Native map(shallow clone) 3,766,393 Ops/sec
Native map deep slice at 0(turns objects into arrays) 247,012 Ops/sec
Native map deep slice(turns objects into arrays) 246,656 Ops/sec
Recursive deep clone 10,934 Ops/sec
Map deep clone 10,709 Ops/sec
Native JSON parse 3,361 Ops/sec
Lodash cloneDeep 2,519 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests: