Benchmark: array indexOf vs includes vs some vs for

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var array = ['banana', 'sausage', 'jesus']

Tests:

IndexOf
x = false; if(array.indexOf('sausage') !== 1){ x = true; }
Includes
x = false; if(array.includes('sausage')){ x = true; }
some
x = false; if(array.some(v => v === 'sausage')){ x = true; }
for
x = false; for(let i=0; i < array.length; i++){ if(array[i] === 'sausage'){ x = true; break; } }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
IndexOf
Includes
some
for

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0

Browser/OS: Firefox 119 on Windows

View result in a separate tab

for

177.1M/s

some

144.9M/s

IndexOf

55.2M/s

Includes

48.8M/s

View exact numbers

Test name	Executions per second
✓ for	177,091,808 Ops/sec
some	144,918,208 Ops/sec
IndexOf	55,164,928 Ops/sec
Includes	48,754,256 Ops/sec

array indexOf vs includes vs some vs for (version: 0)

performance comparison of ways to find if an array contains a value

Comparing performance of: `IndexOf vs Includes vs some vs for`

Created: 2 years ago by: Guest

Go to the latest result

IndexOf

Includes

some

for

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

array indexOf vs includes vs some vs for (version: 0)

performance comparison of ways to find if an array contains a value

Comparing performance of: IndexOf vs Includes vs some vs for

Created: 2 years ago by: Guest

Go to the latest result

IndexOf

Includes

some

for

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `IndexOf vs Includes vs some vs for`