Run results for: Map.get vs Array.findIndex

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Map.get	35756712.0 Ops/sec
Array.findIndex	5929.0 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: