Run results for: Array speed

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 Zaap3.6.8

Browser: Chrome 123

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

isArray([])

18.7M/s

instCase([])

6.9M/s

View exact numbers

Test name	Executions per second
✓ isArray([])	18,665,054 Ops/sec
instCase([])	6,933,728 Ops/sec

Script Preparation code:

var toStr = Object.prototype.toString
	
function toStrCase(obj){
  return toStr.call(obj) === '[object Array]'
}
function consCase(obj){
  return obj.constructor === Array
}
function instCase(obj){
  return obj instanceof Array
}
var isArray = Array.isArray

Tests:

isArray([])
isArray([])
instCase([])
instCase([])