Run results for: Map get VS Map has get

Run details:

User agent: Mozilla/5.0 (Android 14; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0

Browser: Firefox Mobile 121

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Map 1

22K/s

Map 2

19K/s

View exact numbers

Test name	Executions per second
✓ Map 1	21,666 Ops/sec
Map 2	19,160 Ops/sec

Script Preparation code:

var i = 0, count = 1000, a;
var map = new Map();

for (i = 0; i < count; i++) {
  if (Math.random() > 0.5) {
    map.set(i, i * i);
  }
}

Tests: