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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 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0
Browser:
Firefox 134
Operating system:
Ubuntu
Device Platform:
Desktop
Date tested:
one year ago
object.a
530.4M/s
object[symbol]
520.6M/s
array[0]
480.9M/s
Map.get
428.6M/s
WeakMap.get
28.8M/s
View exact numbers
Test name
Executions per second
✓
object.a
530,380,320 Ops/sec
object[symbol]
520,580,992 Ops/sec
array[0]
480,935,424 Ops/sec
Map.get
428,636,736 Ops/sec
WeakMap.get
28,845,104 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]