Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
WeakMap vs property access vs array[0] vs symbol access
(version: 2)
Comparing performance of:
WeakMap.get vs object.a vs object[symbol] vs array[0]
Created:
one year ago
by:
Registered User
Jump to the latest result
Script Preparation code:
var weakMap = new WeakMap() var symbol = Symbol('next'); var object = { a: 1, [symbol]: 1 }; weakMap.set(object, 1); var array = [1];
Tests:
WeakMap.get
weakMap.get(weakMap)
object.a
object.a
object[symbol]
object[symbol]
array[0]
array[0]
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
Fork
Test case name
Result
WeakMap.get
object.a
object[symbol]
array[0]
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.6668.100 Mobile Safari/537.36
Browser/OS:
Chrome Mobile 129 on Android
View result in a separate tab
Embed
Embed Benchmark Result
Test name
Executions per second
WeakMap.get
16095933.0 Ops/sec
object.a
674580288.0 Ops/sec
object[symbol]
12219536.0 Ops/sec
array[0]
673563072.0 Ops/sec
Related benchmarks:
Array vs Object vs Map vs WeakMap access2
Array vs Object vs Map vs WeakMap access (1)
Array vs Object vs Map vs WeakMap access 22
Array vs Object vs Map vs WeakMap access (3)
Array vs Object vs Map vs WeakMap access (3) vs Object key
Array vs Object vs Map vs WeakMap access (123123)
WeakMap vs property access vs symbol access
Comments
Confirm delete:
Do you really want to delete benchmark?