Run results for: array creation (Array vs Array.from)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.36

Browser: Chrome 152

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 11 days ago

Benchmark engine: Benchmark.js

Array(1_000_000).fill(null)

2K/s

new Array(1_000_000).fill(null)

2K/s

Array.from({ length: 1_000_000 }).fill(null)

63/s

View exact numbers

Test name	Executions per second
✓ Array(1_000_000).fill(null)	1,741 Ops/sec
new Array(1_000_000).fill(null)	1,739 Ops/sec
Array.from({ length: 1_000_000 }).fill(null)	63 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(1_000_000).fill(null)
const array = Array(1_000_000).fill(null);
new Array(1_000_000).fill(null)
const array = new Array(1_000_000).fill(null);
Array.from({ length: 1_000_000 }).fill(null)
const array = Array.from({ length: 1_000_000 }).fill(null)