Run results for: string comparison vs array includes

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Browser: Chrome 122

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

string compare

11.3M/s

array includes

9.3M/s

View exact numbers

Test name	Executions per second
✓ string compare	11,335,129 Ops/sec
array includes	9,284,889 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');