Run results for: array find vs ??

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36

Browser: Chrome 140

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 11 months ago

215.7M/s

array find

175.9M/s

View exact numbers

Test name	Executions per second
✓ ??	215,694,416 Ops/sec
array find	175,915,808 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 find
const b = { at: {}, et: {}, st: { start: "1" }} const variable = [b.at?.start, b.et?.start, b.st?.start].find(e => e != null);
??
const b = { at: {}, et: {}, st: { start: "1" }} const variable = b.at?.start ?? b.et?.start ?? b.st?.start;