Benchmark: Dot property set notation VS Lodash.set (initial attribute existing 2)

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', age: 0 };

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

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 Edg/110.0.1587.56

Browser/OS: Chrome 110 on Windows

View result in a separate tab

Test name	Executions per second
Dot notation property setter	9672747.0 Ops/sec
Lodash.set	34910044.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the benchmark and explore what's being tested.

**Benchmark Overview**

The provided JSON represents two test cases for measuring performance differences in setting object properties using different approaches: Lodash's `_.set` method and dot notation (`person.age = 10;`).

**Approaches Being Compared**

1. **Lodash's `_set` Method**: This approach uses the Lodash library to set a property value on an object.
2. **Dot Notation**: This approach directly sets a property value using the dot notation syntax (e.g., `person.age = 10;`).

**Pros and Cons of Each Approach**

1. **Lodash's `_set` Method**:
	* Pros: Convenient, concise way to set properties without manually creating getter/setter pairs.
	* Cons: Adds overhead due to the library's existence and additional function call.
2. **Dot Notation**:
	* Pros: Lightweight, native JavaScript syntax for setting properties, no added overhead.
	* Cons: Requires manual handling of property creation and updating.

**Library Usage**

In the benchmark, Lodash is used in its `4.17.5` version to provide the `_set` method.

**Special JS Features/Syntax**

None mentioned, but note that these approaches rely on standard JavaScript features (e.g., dot notation).

**Other Considerations**

* When setting properties directly using dot notation, you need to consider the impact of property creation and updating on performance. This might be more significant in complex object graphs.
* If you frequently use library functions like `_set` for property updates, you may incur overhead from the library itself.

**Alternatives**

For simple property updates, dot notation is often preferred due to its native JavaScript syntax and lack of additional overhead. However, if you need a convenient way to set properties without manual getter/setter pairs, Lodash's `_set` method can be useful. Other alternatives include:

* Directly using the `Object.defineProperty()` or `Object.set()` methods (if supported by your target browsers).
* Creating a custom wrapper function around the property update logic.
* Using a different library that provides similar functionality.

For more detailed performance comparisons and benchmarking, you may also consider exploring other JavaScript engines, like V8 or SpiderMonkey, to see how they optimize these approaches.

Related benchmarks:

Dot property set notation VS Lodash.set (initial attribute existing 2) (version: 0)

Compares different approaches to set an object property

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

Created: 2 years ago by: Guest

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 llama3.2:3b, generated 2 months ago):