Run results for: Lodash.isArray vs Array.isArray

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:125.0) Gecko/20100101 Firefox/125.0

Browser: Firefox 125

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Array isArray

160.7M/s

lodash isArray

160.2M/s

View exact numbers

Test name	Executions per second
✓ Array isArray	160,735,376 Ops/sec
lodash isArray	160,202,720 Ops/sec

HTML Preparation code:

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

Script Preparation code:

function getRandomInt(max) {
  return Math.floor(Math.random() * Math.floor(max));
}

var arr = [];
for(var i = 0; i < 5000; i++){
  arr.push({value:getRandomInt(100)});
}

Tests:

lodash isArray
_.isArray(arr);
Array isArray
Array.isArray(arr)