Benchmark: Calling class vs object methods

Script Preparation code:

class RepositoryClass {
	test(input) {
    	return input; 
    }
}

var RepositoryModule = {
	test: (input) => {
    	return input; 
    }
}

var repositoryClass = new RepositoryClass();
var repositoryModule = RepositoryModule;

Tests:

Class
repositoryClass.test();
Object
repositoryModule.test();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Class
Object

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what is tested, compared, pros, cons, and other considerations.

**Benchmark Overview**

The benchmark compares two approaches to calling methods on objects: using classes (`repositoryClass`) versus using objects directly (`repositoryModule`). The test creates instances of both `RepositoryClass` and `RepositoryModule`, then calls the `test()` method on each instance.

**Script Preparation Code**

The script preparation code defines:

* A class `RepositoryClass` with a single method `test(input)`.
* An object `RepositoryModule` that exports a function `test(input)` as its only property.
* Instances of both `RepositoryClass` and `RepositoryModule`: `repositoryClass` and `repositoryModule`, respectively.

**Html Preparation Code**

There is no HTML preparation code provided, which means the benchmark focuses solely on JavaScript performance comparison.

**Test Cases**

The benchmark consists of two test cases:

1. **Class**: Calls the `test()` method on an instance of `RepositoryClass`.
2. **Object**: Calls the `test()` method on an instance of `RepositoryModule`.

**Library and Purpose**

* `RepositoryModule` is a self-invoking anonymous function that exports its content as a property. This pattern is called a "closure" or "self-executing anonymous function". It allows the function to be executed immediately after definition, which can be useful for creating standalone scripts or modules.

**Special JavaScript Feature/ Syntax**

* The use of an immediately invoked self-executing anonymous function (`RepositoryModule`) is not particularly notable in this benchmark. However, it's worth noting that this syntax is often used when creating modular code or standalone scripts.
* There are no special JavaScript features (e.g., async/await, promises) mentioned in the benchmark.

**Pros and Cons**

**Class approach:**

Pros:

* Easier to read and understand for some developers who prefer object-oriented programming.
* Can be more flexible for larger, more complex applications.

Cons:

* May incur a slight overhead due to the creation of an instance and the call on that instance.

**Object approach:**

Pros:

* Can be faster in terms of execution speed since it bypasses the creation of an instance and directly calls the function.
* May be preferred when working with existing libraries or frameworks that use this pattern.

Cons:

* Less readable for developers who are not familiar with object-oriented programming or closures.

**Other Alternatives**

If you want to measure JavaScript performance, there are other benchmarks available. Some popular alternatives include:

* Benchmark.js: A popular, lightweight benchmarking library for Node.js and web applications.
* jsperf: A simple, command-line tool for measuring the execution speed of JavaScript code snippets.
* JSBench: A benchmarking framework specifically designed for testing JavaScript performance.

Keep in mind that different benchmarks may have varying levels of accuracy, coverage, or scope. When choosing a benchmark, consider your specific use case and requirements.

In conclusion, this benchmark provides a clear comparison between two approaches to calling methods on objects: using classes versus using objects directly. While the class approach has its advantages, the object approach can be faster in terms of execution speed. Understanding these trade-offs is essential for making informed decisions about performance optimization in your JavaScript applications.

Related benchmarks:

Calling class vs object methods (version: 0)

Comparing performance of: Class vs Object

Created: 5 years ago by: Guest

Jump to the latest result

Class

Object

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):