Run results for: Javascript Object vs Array.indexOf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Object

142.3M/s

indexOf

84.9M/s

View exact numbers

Test name	Executions per second
✓ Object	142,337,488 Ops/sec
indexOf	84,928,560 Ops/sec

Script Preparation code:

var object = { A : "A", B : "B", C : "C" };
var array  = [ "A", "B", "C" ];

Tests: