Benchmark Run Result for: Benchmark, spread vs. concat vs. push in Array push item

Benchmark, spread vs. concat vs. push in Array push item

spread, concat, push efficiency

Date tested: one year ago

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36

Test name	Executions per second
spread	28.0 Ops/sec
concat	5.9 Ops/sec
push	25463.8 Ops/sec

Benchmark definition (click to collapse):

Tests:

spread
let array = []; for(let i = 0; i < 10000; i += 1){ array = [...array, i]; }
concat
let array = []; for(let i = 0; i < 10000; i += 1){ array = array.concat(i); }
push
let array = []; for(let i = 0; i < 10000; i += 1){ array.push(i); }

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