Run results for: concat, vs spread, vs push

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

push

13.5M/s

spread

6.7M/s

concat

5.4M/s

View exact numbers

Test name	Executions per second
✓ push	13,455,108 Ops/sec
spread	6,668,842 Ops/sec
concat	5,407,562 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

/*your preparation JavaScript code goes here
To execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/
async function globalMeasureThatScriptPrepareFunction() {
    // This function is optional, feel free to remove it.
    // await someThing();
}

Tests:

concat
/*When writing async/deferred tests, use `deferred.resolve()` to mark test as done*/ a = [1,2,3]; a = a.concat([4,5,6]);
spread
a = [1,2,3]; a = [...a, ...[4,5,6]];
push
a = [1,2,3]; a.push.apply([4,5,6]);