Run results for: equality vs comparison

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.0 Mobile/15E148 Safari/604.1 Ddg/26.0

Browser: Mobile Safari 26

Operating system: iOS 18.6

Device Platform: Mobile

Date tested: 11 months ago

Benchmark engine: Benchmark.js

comparison

469.0M/s

indexof

438.0M/s

equality

271.5M/s

48.0M/s

View exact numbers

Test name	Executions per second
✓ comparison	468,960,096 Ops/sec
indexof	438,004,032 Ops/sec
equality	271,548,000 Ops/sec
in	48,004,056 Ops/sec

Script Preparation code:

var j=[1,2,3,4,5,6,7]
var t=5
var d=20

Tests:

comparison
j[0]<=d<=j[1] j[0]<=t<=j[1]
equality
j[0]==d && j[1]==d && j[2]==d && j[3]==d && j[4]==d && j[5]==d && j[6]==d j[0]==t && j[1]==t && j[2]==t && j[3]==t &&j [4]==t && j[5]==t && j[6]==t
in
d in j t in j
indexof
j.indexOf(d) j.indexOf(t)