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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 (iPhone; CPU iPhone OS 17_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 17
Operating system:
iOS 17.2.1
Device Platform:
Mobile
Date tested:
2 years ago
Test name
Executions per second
Map.get
27789124.0 Ops/sec
WeakMap.get
28051064.0 Ops/sec
array[0]
26638568.0 Ops/sec
object.a
24510148.0 Ops/sec
object[symbol]
14442941.0 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]