Run results for: String searching methods

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
includes	21419.5 Ops/sec
indexOf	23735.0 Ops/sec
regex match	15038.8 Ops/sec
regex match case-insensitive	22067.3 Ops/sec

Script Preparation code:

// Build array

// Search term
const string = 'bingo';

Tests:

includes
const array = new Array(1000).fill(null).map(() => 'no match found').concat(['bingo', 'bingo', 'bingo', 'bingo', 'bingo']); array.filter(i => i.includes('bingo'));
indexOf
const array = new Array(1000).fill(null).map(() => 'no match found').concat(['bingo', 'bingo', 'bingo', 'bingo', 'bingo']); array.filter(i => i.indexOf('bingo') !== -1);
regex match
const array = new Array(1000).fill(null).map(() => 'no match found').concat(['bingo', 'bingo', 'bingo', 'bingo', 'bingo']); array.filter(i => i.match(/bingo/));
regex match case-insensitive
const array = new Array(1000).fill(null).map(() => 'no match found').concat(['bingo', 'bingo', 'bingo', 'bingo', 'bingo']); array.filter(i => i.match(/bingo/i));