Run results for: JS if/!if vs if/else testing

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_8_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 14

Operating system: iOS 14.8.1

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
if / if !	7666207.5 Ops/sec
if/else	14626859.0 Ops/sec

Script Preparation code:

var test = 'test'

Tests:

if / if !
if (test === 'test1') { return true; } if (test !== 'test2') { return true; }
if/else
if (test === 'test1') { return true; } else { return true; }

Run results for: JS if/!if vs if/else testing

Benchmark of the speed difference between using multiple IF statements and an open-ended IF/ELSE

if / if !

if/else