Run results for: Array.isArray vs lodash isArray

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

native

171.1M/s

lodash

129.3M/s

View exact numbers

Test name	Executions per second
✓ native	171,092,544 Ops/sec
lodash	129,330,592 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)});
}

var obj = {};

var str = "hello world";

Tests:

lodash
_.isArray(arr) _.isArray(obj) _.isArray(str)
native
Array.isArray(arr) Array.isArray(obj) Array.isArray(str)