Run results for: Number array indexOf vs includes vs some vs find vs for vs in

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36 OPR/92.0.0.0 (Edition beta)

Browser: Opera 92

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
IndexOf	5019573.0 Ops/sec
Includes	5322173.0 Ops/sec
some	5276221.0 Ops/sec
find	5251753.0 Ops/sec
for loop	887793.4 Ops/sec
in	5300102.0 Ops/sec

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 = [1, 2, 3]

Tests:

IndexOf
array.indexOf(3) !== 1
Includes
array.includes(3)
some
array.some(v => v == 3)
find
array.find(v => v == 3)
for loop
for (let i = 0; i < array.length; i++) { if (array[i] == 3) { return true; } }
in
3 in array

Run results for: Number array indexOf vs includes vs some vs find vs for vs in

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

IndexOf

Includes

some

find

for loop

in