Benchmark: convert list and set.has vs. array.includes vs array.indexOf (string values)

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
return a.includes('mx')
lookup
return new Set(a).has('mx')
indexof
return a.indexOf('mx') >= 0

Historical Performance Data aggregated from 291 community runs

Desktop Results:

Chrome 291 runs

MmzHrrdb

1/s

View exact numbers

✓ MmzHrrdb: 1 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
includes
lookup
indexof

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one month ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36

Browser/OS: Chrome 141 on Windows

View result in a separate tab

MmzHrrdb

1/s

MmzHrrdb

1/s

MmzHrrdb

1/s

View exact numbers

Test name	Executions per second
✓ MmzHrrdb	1 Ops/sec
✓ MmzHrrdb	1 Ops/sec
✓ MmzHrrdb	1 Ops/sec

convert list and set.has vs. array.includes vs array.indexOf (string values) (version: 1)

Comparing performance of: `includes vs lookup vs indexof`

Created: 3 months ago by: Guest

Go to the latest result

includes

lookup

indexof

Historical Performance Data aggregated from 291 community runs

Desktop Results:

Chrome 291 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

convert list and set.has vs. array.includes vs array.indexOf (string values) (version: 1)

Comparing performance of: includes vs lookup vs indexof

Created: 3 months ago by: Guest

Go to the latest result

includes

lookup

indexof

Historical Performance Data aggregated from 291 community runs

Desktop Results:

Chrome 291 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `includes vs lookup vs indexof`