Run results for: string comparison vs array includes

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser: Chrome 128

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
string compare	27563496.0 Ops/sec
array includes	22959116.0 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