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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 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 137
Operating system:
Android
Device Platform:
Mobile
Date tested:
one year ago
Map.get
53.9M/s
array[0]
49.7M/s
object[symbol]
49.3M/s
object.a
47.1M/s
WeakMap.get
36.9M/s
View exact numbers
Test name
Executions per second
✓
Map.get
53,888,972 Ops/sec
array[0]
49,664,744 Ops/sec
object[symbol]
49,285,848 Ops/sec
object.a
47,146,228 Ops/sec
WeakMap.get
36,915,292 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]