Run results for: set.has vs. array.includes (strings; set generation inline)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

includes 1

99.3M/s

includes 10

62.5M/s

lookup 10

5.8M/s

lookup 1

5.7M/s

View exact numbers

Script Preparation code:

var a = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'];

Tests: