Benchmark: Set<string> vs Array<string> lookup (existing set)

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const arr = [
  'text',
  'search',
  'tel',
  'url',
  'password'
];
const set = new Set(arr);

Tests:

Array Lookup
// exercise all out-of-order using unique string instances (avoid arr[0] ect which would compare by reference) arr.includes('url') arr.includes('text') arr.includes('tel') arr.includes('password') arr.includes('search')
Set Lookup
// exercise all out-of-order using unique string instances (avoid arr[0] ect which would compare by reference) set.has('url') set.has('text') set.has('tel') set.has('password') set.has('search')

Rendered benchmark preparation results:

Previous results

Test case name	Result
Array Lookup
Set Lookup

Latest run results:

Run details: (Test run date: 15 days ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.36

Browser/OS: Chrome 151 on Windows

Set Lookup

1096.5M/s

Array Lookup

67.3M/s

View exact numbers

Test name	Executions per second
✓ Set Lookup	1,096,521,216 Ops/sec
Array Lookup	67,340,424 Ops/sec

Set<string> vs Array<string> lookup (existing set) (version: 1) Benchmark.js