Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Array vs Object vs Map vs WeakMap access (3)
Go to the benchmark
Embed
Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
object.a
155.7M/s
Map.get
150.8M/s
array[0]
147.9M/s
object[symbol]
131.8M/s
WeakMap.get
101.8M/s
View exact numbers
Test name
Executions per second
✓
object.a
155,704,896 Ops/sec
Map.get
150,763,376 Ops/sec
array[0]
147,864,400 Ops/sec
object[symbol]
131,818,248 Ops/sec
WeakMap.get
101,785,392 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]