Run results for: Text search performance

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4243.0 Safari/537.36

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Includes	17.9 Ops/sec
Regex	18.2 Ops/sec
Search	15.8 Ops/sec
Match	13.1 Ops/sec
IndexOf	18.9 Ops/sec
Lodash Includes	15.3 Ops/sec

HTML Preparation code:

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

Script Preparation code:

function generateItems() {
    let items = [];

    for (let i = 0; i < 60000; i++) {
        items.push({
            value: 'test' + Math.random()
        });
    }

    return items;
}

Tests:

Includes
let items = generateItems(); let filteredItems = items.filter(item => item.value.includes('test0.5'));
Regex
let items = generateItems(); let filteredItems = items.filter(item => /test0\.5/.test(item.value));
Search
let items = generateItems(); let filteredItems = items.filter(item => item.value.search(/test0\.5/) >= 0);
Match
let items = generateItems(); let filteredItems = items.filter(item => Boolean(item.value.match(/test0\.5/)));
IndexOf
let items = generateItems(); let filteredItems = items.filter(item => item.value.indexOf('test0.5') >= 0);
Lodash Includes
let items = generateItems(); let filteredItems = items.filter(item => _.includes(item.value, 'test0.5'));

Run results for: Text search performance

Comparing various text search methods

Includes

Regex

Search

Match

IndexOf

Lodash Includes