Run results for: Array.includes vs Array.find vs Array.indexOf (with string)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Browser: Firefox 123

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Array.indexOf

290/s

Array.includes

182/s

Array.find

78/s

View exact numbers

Script Preparation code:

var values = []
for (var i = 0; i < 1000000; i++) {
    values.push(`${i}`)
}

Tests:

Array.find
var TEST_NUM = '897495' var result = values.find((i) => i === TEST_NUM)
Array.includes
var TEST_NUM = '897495' var result = values.includes(TEST_NUM)
Array.indexOf
var TEST_NUM = '897495' var result = values.indexOf(TEST_NUM) !== -1