Benchmark: spread vs splice vs concat vs push

Script Preparation code:

const original = []
for (let i=0; i<=2000; i++) {
  original.push({i})
}

Tests:

spread
const original = [] for (let i=0; i<=2000; i++) { original.push({i}) } const result = {list: []} do { result.list = [...result.list, ...original.splice(0, 100)] } while (original.length > 0)
concat
const original = [] for (let i=0; i<=2000; i++) { original.push({i}) } const result = {list: []} do { result.list = result.list.concat(original.splice(0, 100)) } while (original.length > 0)

Rendered benchmark preparation results:

Previous results

Test case name	Result
spread
concat

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Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.80 Safari/537.36

Browser/OS: Chrome 98 on Mac OS X 10.15.7

Test name	Executions per second
spread	30481.5 Ops/sec
concat	56771.1 Ops/sec

spread vs splice vs concat vs push (version: 0)