Run results for: Array isArray vs Object.prototype

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 Edg/122.0.0.0

Browser: Chrome 122

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Object.prototype

2.8M/s

isArray

2.7M/s

View exact numbers

Test name	Executions per second
✓ Object.prototype	2,777,091 Ops/sec
isArray	2,653,700 Ops/sec

Script Preparation code:

var test = [1,2,3,4];
var c;

Tests:

Object.prototype
if (Object.prototype.toString.call(test) === '[object Array]') { c++; }
isArray
if (Array.isArray(test)) { c++; }