Run results for: Array fill vs new Array(number)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36

Browser: Chrome 146

Operating system: Windows

Device Platform: Desktop

Date tested: 5 months ago

Benchmark engine: Benchmark.js

new array

142.2M/s

array fill

1.7M/s

array from

63K/s

View exact numbers

Test name	Executions per second
✓ new array	142,173,680 Ops/sec
array fill	1,727,577 Ops/sec
array from	62,667 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:

array fill
Array(500).fill(false)
new array
new Array(500)
array from
Array.from({length: 500})