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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0

Browser: Firefox 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

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['key' + i] = 'value' + i;
}

Tests:

_.isEmpty
_.isEmpty(window.obj);
Object.keys().length
Object.keys(window.obj).length === 0;
loop
function isEmpty(obj) { for(var prop in obj) { if(obj.hasOwnProperty(prop)) return false; } return true; }