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Run results for:
Array vs Object vs Map vs WeakMap access (3)
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Run details:
User agent:
Mozilla/5.0 (Android 10; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0
Browser:
Firefox Mobile 123
Operating system:
Android
Device Platform:
Mobile
Date tested:
2 years ago
Test name
Executions per second
Map.get
697560000.0 Ops/sec
WeakMap.get
52772424.0 Ops/sec
array[0]
696621696.0 Ops/sec
object.a
680677632.0 Ops/sec
object[symbol]
695771136.0 Ops/sec
Script Preparation code:
var map = new Map(); var weakMap = new WeakMap() var array = []; var object = {}; var symbol = Symbol('next');
Tests:
Map.get
map.get("0");
WeakMap.get
weakMap.get("0")
array[0]
array[0]
object.a
object.a
object[symbol]
object[symbol]