Run results for: array find vs some vs lodash

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36

Browser: Chrome 91

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
array find	42213928.0 Ops/sec
array some	41710584.0 Ops/sec
lodash some	2138633.8 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.core.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.core.js"></script>

Tests:

array find
var a = [{a: 'hello'}, {a: 'a'}, {a: 'bc'}, {a: 'ad'}, {a: 'mg'}, {a: 'asd'}]; var b = a.find(item => item.a === 'bc');
array some
var a = [{a: 'hello'}, {a: 'a'}, {a: 'bc'}, {a: 'ad'}, {a: 'mg'}, {a: 'asd'}]; var b = a.some(item => item.a === 'bc');
lodash some
var a = [{a: 'hello'}, {a: 'a'}, {a: 'bc'}, {a: 'ad'}, {a: 'mg'}, {a: 'asd'}]; var b = _.some(a, ['a', 'bc']);

Run results for: array find vs some vs lodash

Compare the new ES6 spread operator with the traditional concat() method

array find

array some

lodash some