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 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
Browser:
Chrome 119
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
Map.get
21.6M/s
array[0]
21.4M/s
object.a
21.0M/s
WeakMap.get
20.0M/s
object[symbol]
10.5M/s
View exact numbers
Test name
Executions per second
✓
Map.get
21,637,922 Ops/sec
array[0]
21,381,330 Ops/sec
object.a
20,966,518 Ops/sec
WeakMap.get
20,043,248 Ops/sec
object[symbol]
10,532,178 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]