Run results for: geaegaegaefeafefafaeafafea

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36

Browser: Chrome 78

Operating system: Mac OS X 10.15.2

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
_.isArray	1088784.1 Ops/sec
native	1096680.6 Ops/sec

HTML Preparation code:

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

Tests:

_.isNil
_.isUndefined(void 0); _.isUndefined(null);
native
const isUndefined = val => typeof val === 'undefined'; isUndefined(void 0); isUndefined(null);