Benchmark: return err vs throw err

Script Preparation code:

function returnErr() {
	return new Error('err');
}

async function returnAsyncErr() {
	await Promise.resolve();
	return new Error('err');
}

function throwErr() {
	throw new Error('err');
}

async function throwAsyncErr() {
	await Promise.resolve();
	throw new Error('err');
}

Tests:

return err
let resultErr = returnErr();
throw err
try { throwErr(); } catch (err) { let resultErr = err; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
return err
throw err

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 7 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:143.0) Gecko/20100101 Firefox/143.0

Browser/OS: Firefox 143 on Mac OS X 10.15

View result in a separate tab

Test name	Executions per second
return err	1368912.0 Ops/sec
throw err	1236496.6 Ops/sec

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return err vs throw err (version: 1)

Comparing performance of: return err vs throw err

Created: one year ago by: Registered User

Jump to the latest result

return err

throw err

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A