Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
es6 class static vs instance vs object method
(version: 0)
Comparing performance of:
function vs object vs static vs instance
Created:
4 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
function bar() {} var object = { bar() {} } var Foo = class Foo { static bar() {} constructor () {} bar() {} } var foo = new Foo()
Tests:
function
bar();
object
object.bar();
static
Foo.bar();
instance
foo.bar();
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
Fork
Test case name
Result
function
object
static
instance
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one month ago
)
User agent:
Mozilla/5.0 (Android 12; Mobile; rv:149.0) Gecko/149.0 Firefox/149.0
Browser/OS:
Firefox Mobile 149 on Android
View result in a separate tab
Embed
Embed Benchmark Result
Test name
Executions per second
function
583290944.0 Ops/sec
object
583389376.0 Ops/sec
static
562930368.0 Ops/sec
instance
582341824.0 Ops/sec
Autogenerated LLM Summary
(model
llama3.1:latest
, generated one year ago):
Let's dive into the details of this benchmark. **What is being tested?** The benchmark compares the performance of four different ways to call a function in JavaScript: 1. A standalone function (`bar();`) 2. A method called on an object (`object.bar();`) 3. A static method called on a class (`Foo.bar();`) 4. An instance method called on an instance of a class (`foo.bar();`) **What options are compared?** The main comparison is between the performance of calling a function as: * A standalone function (not attached to any object or class) * A method called on an object * A static method called on a class * An instance method called on an instance of a class **Pros and cons of different approaches:** 1. **Standalone function**: The simplest way to call a function. Pros: * Easy to use. * No need to worry about the context in which it's being called (e.g., object or class). * Cons: + May not be able to access external state or context. 2. **Method on an object**: Calling a method as part of an object. Pros: * Can access and modify external state associated with the object. * Can use `this` keyword to refer to the object itself. * Cons: + May not be as performant as standalone functions or static methods, due to the overhead of method lookup and calling. 3. **Static method on a class**: Calling a function that's part of a class, but not attached to any instance. Pros: * Can be more performant than methods on objects, since they don't have to access instance-specific state. * Can use `this` keyword to refer to the class itself (though this is generally discouraged). * Cons: + May not be able to access external state associated with specific instances of the class. 4. **Instance method on an instance**: Calling a function as part of a specific instance of a class. Pros: * Can access and modify state associated with that specific instance. * Uses `this` keyword to refer to the instance itself. * Cons: + May be less performant than standalone functions or static methods, due to the overhead of method lookup and calling. **Library used: None** There is no external library being used in this benchmark. **Special JS feature or syntax: None** The benchmark only uses standard JavaScript features and syntax. No special features like async/await, generators, or decorators are being tested here. **Other alternatives:** If you need to optimize performance-critical code, consider using: * **Standalone functions**: If the function doesn't need to access external state or context. * **Static methods**: If the function can be called independently of specific instances of a class. * **Memoization**: A technique where the result of expensive function calls is cached and reused on subsequent calls with the same arguments. Remember that performance optimization should always be done after ensuring code correctness, readability, and maintainability.
Related benchmarks:
function vs class method vs new function method
function vs class method vs new function method v2
ES6 Class vs Prototype vs Object Literal v2
class vs function constructor vs object literal vs __proto__ vs Object.create vs Object.setPrototypeOf
Comments
Confirm delete:
Do you really want to delete benchmark?