Run results for: Map.get vs Array.findIndex

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Map.get

1327.0M/s

Array.findIndex

3K/s

View exact numbers

Test name	Executions per second
✓ Map.get	1,326,956,800 Ops/sec
Array.findIndex	3,397 Ops/sec

Script Preparation code:

var m = new Map();
var a = [];

for (var i = 1; i <= 100000; i++) {
  m.set('url_' + i, 'data');
  a.push({url: 'url_' + i, data: 'data'});
}

Tests: