Run results for: set.has vs. array.includes vs array.indexOf (string values) 2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36

Browser: Chrome 144

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 5 months ago

lookup

172.8M/s

indexof

43.7M/s

includes

3.6M/s

View exact numbers

Test name	Executions per second
✓ lookup	172,813,488 Ops/sec
indexof	43,732,880 Ops/sec
includes	3,602,797 Ops/sec

Script Preparation code:

var a = [
  'height',
  'width',
  'maxHeight',
  'maxWidth',
  'maxHeight',
  'minWidth',
  'color',
  'bg',
  'backgroundColor',
  'opacity',
  'm',
  'mt',
  'mb',
  'mr',
  'mr',
  'mx',
  'my',
  'p',
  'pt',
  'pb',
  'pr',
  'pl',
  'px',
  'py',
  'border',
  'boxShadow',
  'flex',
  'verticalAlign',
  'textAlign',
  'overflow',
  'display',
  'cursor'
];
var b = new Set(a)

Tests:

includes
a.includes('mx'); a.includes('pl'); a.includes('display'); a.includes('my'); a.includes('pb'); a.includes('textAlign'); a.includes('textAlign'); a.includes('p'); a.includes('opacity'); a.includes('backgroundColor'); a.includes('ml'); a.includes('bg'); a.includes('pt'); a.includes('mt'); a.includes('flex');
lookup
b.has('mx'); b.has('pl'); b.has('display'); b.has('my'); b.has('pb'); b.has('textAlign'); b.has('textAlign'); b.has('p'); b.has('opacity'); b.has('backgroundColor'); b.has('ml'); b.has('bg'); b.has('pt'); b.has('mt'); b.has('flex');
indexof
return a.indexOf('mx') >= 0