Benchmark: _.isEmpty() vs Object.keys().length

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 (let i = 0, len = 1000000; i < len; i++) {
  obj['key' + i] = 'value' + i;
}

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
Object.keys
_.isEmpty

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.129 Safari/537.36

Browser/OS: Chrome 81 on Windows

Test name	Executions per second
Object.keys	2.4 Ops/sec
_.isEmpty	2.5 Ops/sec

_.isEmpty() vs Object.keys().length (version: 0)