Run results for: string comparison vs array includes

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/95.0.4638.50 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 95

Operating system: iOS 14.6

Device Platform: Tablet

Date tested: 3 years ago

Test name	Executions per second
string compare	14626385.0 Ops/sec
array includes	10570140.0 Ops/sec

Script Preparation code:

function stringCompare(x) {
  return x === '' || x === 'USA' || x === 'Canada' || x === 'Mexico' || x === 'UK' || x === 'Germany' || x === 'Sweden';
}

function arrayIncludes(x) {
  return ['', 'USA', 'Canada', 'Mexico', 'UK', 'Germany', 'Sweden'].includes(x);
}

Tests:

string compare
stringCompare('abc');
array includes
arrayIncludes('abc');

Run results for: string comparison vs array includes

string compare

array includes