Run results for: Nullish vs If

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
nullish	2873.1 Ops/sec
if	3169.8 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:

nullish
const myObj = {} const myFunc = (param) => param?.key ?? [] for (let i = 0; i < 1e6; i++) { myFunc(myObj) }
if
const myObj = {} const myFunc = (param) => { if (!param.key) return [] return param.key } for (let i = 0; i < 1e6; i++) { myFunc(myObj) }

Run results for: Nullish vs If

nullish

if