Run results for: personal spread array performance (vs slice, splice, concat)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.164 Safari/537.36

Browser: Chrome 91

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Tests:

Splice
const testArray = Array(20000).fill().map((_, idx) => idx); const newTestArray = testArray.splice(0);
Slice
const testArray = Array(20000).fill().map((_, idx) => idx); const newTestArray = testArray.slice();
Concat
const testArray = Array(20000).fill().map((_, idx) => idx); const newTestArray = testArray.concat();
Spread
const testArray = Array(20000).fill().map((_, idx) => idx); const newTestArray = [...testArray];