Run results for: _.isEmpty vs Object.keys.length 222

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4484.7 Safari/537.36 OPR/78.0.4072.0 (Edition developer)

Browser: Opera 78

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
_.isEmpty	230577.4 Ops/sec
Object.keys().length	279508.1 Ops/sec
Object.values().length	79174.1 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js"></script>

Script Preparation code:

window.obj = {};

for (var i = 0, len = 100; i < len; i++) {
  obj[`123${i}`] = 'value' + i;
}

Tests:

_.isEmpty
_.isEmpty(window.obj);
Object.keys().length
Object.keys(window.obj).length === 0;
Object.values().length
Object.values(window.obj).length === 0;

Run results for: _.isEmpty vs Object.keys.length 222

_.isEmpty

Object.keys().length

Object.values().length