Benchmark: Dot property set notation VS Lodash.set

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.5/lodash.min.js"></script>

Script Preparation code:

var person = { name: 'Foo', lastName: 'Bar' };

Tests:

Dot notation property setter
_.set(person, 'age', 10)
Lodash.set
person.age = 10

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Dot notation property setter
Lodash.set

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.1:latest, generated 27 days ago):

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks.

**What is being tested?**

The provided JSON represents a benchmark that compares two different approaches to set an object property:

1. **Dot notation property setter**: This approach uses the dot notation syntax, where you access and modify an object property using its name: `person.age = 10`.
2. **Lodash.set**: This approach utilizes the `_.set()` function from the Lodash library, which is a popular utility library for JavaScript.

**What options are compared?**

Two test cases are being run:

1. `_.set(person, 'age', 10)` (using Lodash.set)
2. `person.age = 10` (using dot notation property setter)

These two approaches are essentially setting the value of the `age` property on an object called `person`.

**Pros and Cons:**

* **Dot notation property setter**: This approach is simple, straightforward, and native to JavaScript. It's also very efficient in terms of execution time.
	+ Pros:
		- Easy to read and write
		- No external library dependency
	+ Cons:
		- Can be prone to typos or incorrect property names
* **Lodash.set**: This approach uses a utility function from Lodash, which provides additional functionality for setting object properties in a more robust way.
	+ Pros:
		- Robustness: protects against typos and incorrect property names
		- Additional features (e.g., deep-set, etc.)
	+ Cons:
		- External library dependency (Lodash)
		- Slightly slower execution time compared to dot notation

**Library: Lodash**

The Lodash library is a popular utility library for JavaScript that provides a set of functional programming helpers and iterators. In this case, the `_.set()` function is used to set an object property in a more robust way.

**Special JS feature or syntax: None**

No special JavaScript features or syntax are being used in this benchmark. The code is straightforward and follows standard JavaScript conventions.

**Other alternatives:**

There are other ways to set object properties in JavaScript, such as:

1. **Bracket notation**: `person['age'] = 10`
2. **ES6 computed property names**: `{ age: 10 }` (in an object literal)
3. **Object.assign()**: `Object.assign(person, { age: 10 })`

These alternatives are not compared in this benchmark, but they can be used in other contexts to achieve similar results.

Overall, this benchmark provides a simple and effective way to compare different approaches to setting object properties in JavaScript.

Latest run results:

Run details: (Test run date: 15 days ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0

Browser/OS: Firefox 131 on Windows

View result in a separate tab

Test name	Executions per second
Dot notation property setter	19157958.0 Ops/sec
Lodash.set	1531211520.0 Ops/sec

Related benchmarks:

Dot property set notation VS Lodash.set (version: 1)

Compares different approaches to set an object property

Comparing performance of: Dot notation property setter vs Lodash.set

Created: 6 years ago by: Registered User

Jump to the latest result

Dot notation property setter

Lodash.set

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.1:latest, generated 27 days ago):