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: 10 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

return err

1.4M/s

throw err

1.2M/s

View exact numbers

Test name	Executions per second
✓ return err	1,368,912 Ops/sec
throw err	1,236,497 Ops/sec

return err vs throw err (version: 1)

Comparing performance of: `return err vs throw err`

Created: one year ago by: Registered User

Go to the latest result

return err

throw err

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

return err vs throw err (version: 1)

Comparing performance of: return err vs throw err

Created: one year ago by: Registered User

Go to the latest result

return err

throw err

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `return err vs throw err`