Benchmark: field vs property2gdfgdfgdf

Script Preparation code:

class MyClass {
    constructor() {
        this.field = 1;
    }

    set field_value(val) {
        this.field = val;
    }
    get field_value() {
        return this.field;
    }

}

var theInstance = new MyClass();

Tests:

lodash
theInstance.field_value = (theInstance.field_value) + 1; console.log(theInstance.field);
native
theInstance.field = (theInstance.field) + 1; console.log(theInstance.field);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash
native

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:124.0) Gecko/20100101 Firefox/124.0

Browser/OS: Firefox 124 on Windows

View result in a separate tab

Test name	Executions per second
lodash	296356.3 Ops/sec
native	277115.3 Ops/sec

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

LLMs can make mistakes. Check important info.

I'll break down the benchmark and explain what's being tested, the options compared, pros and cons of each approach, and other considerations.

**Benchmark Overview**

The benchmark is testing two approaches: using a property (field) to access and modify data, versus using an accessor function (`set field_value(val)`). The goal is to determine which approach is faster for simple arithmetic operations on integers.

**Options Compared**

1. **Using a Property**: This approach uses the `this.field` syntax to access and modify the value of the `field` property. It's a common way to access properties in JavaScript.
2. **Using an Accessor Function**: The alternative approach uses an accessor function, where `field_value` is set using `theInstance.field_value = val;`, and retrieved using `console.log(theInstance.field_value);`. This approach creates an explicit getter and setter for the property.

**Pros and Cons**

1. Using a Property:
	* Pros: more concise and readable code
	* Cons:
		+ May be slower due to indirect access (via `this`)
		+ Less control over property access (no explicit getter/setter)
2. Using an Accessor Function:
	* Pros: explicit control over property access, potentially faster due to direct access
	* Cons:
		+ More verbose and less readable code
		+ Creates a new accessor function object

**Considerations**

1. **Indirect vs Direct Access**: In JavaScript, accessing properties using `this` can lead to indirect calls, which might incur additional overhead compared to direct access using the property name.
2. **Getter/Setter Control**: Using an accessor function provides explicit control over how the property is accessed and modified.

**Library/Library-Free**

This benchmark uses only built-in JavaScript features and does not rely on any external libraries.

**Special JS Feature/Syntax**

There is no special JavaScript feature or syntax used in this benchmark. It's a straightforward test of two simple approaches to accessing and modifying data.

**Other Alternatives**

If you wanted to compare the performance of these approaches, you might consider adding additional variations, such as:

* Using getters and setters with different access control modes (e.g., `const`-only vs `get`/`set` methods)
* Adding intermediate arithmetic operations before accessing the property
* Comparing the performance of these approaches with other language features or data structures

Related benchmarks:

field vs property2gdfgdfgdf (version: 0)

field vs property

Comparing performance of: lodash vs native

Created: 2 years ago by: Guest

Jump to the latest result

lodash

native

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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