Benchmark: property assign 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
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 llama3.2:3b, generated one month ago):

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark and its related details.

**Benchmark Overview**

MeasureThat.net is used to compare different approaches to set an object property. The website allows users to create and run JavaScript microbenchmarks. In this specific case, we're testing two approaches: dot notation (using a string as a key) and using Lodash's `set` function.

**Options Compared**

We have two options being compared:

1. **Dot Notation Property Setter**: This approach uses a string as a key to set an object property.
2. **Lodash.set**: This approach uses the `lodash.set` function from the Lodash library to set an object property.

**Pros and Cons of Each Approach**

**Dot Notation Property Setter:**

Pros:

*   Lightweight and simple, with minimal overhead.
*   Typically faster since it's a built-in JavaScript operator.
*   Easy to implement and understand for developers familiar with dot notation.

Cons:

*   Can be error-prone due to the use of strings as keys.
*   May lead to performance issues if used extensively in loops or large datasets.

**Lodash.set:**

Pros:

*   Highly efficient, using native code under the hood to reduce overhead.
*   Provides a reliable and robust way to set object properties.
*   Part of a widely-used and well-maintained library (Lodash).

Cons:

*   Adds an extra dependency, requiring users to include Lodash in their project.
*   May have additional complexity due to its purpose-specific usage.

**Library: Lodash**

The `lodash.set` function is part of the Lodash library. It's a utility function designed for specific use cases, like setting properties on objects. In this benchmark, it's used as an alternative approach to set object properties.

Lodash provides many other useful functions and methods beyond `set`. Some examples include:

*   `cloneDeep`
*   `compact`
*   `curry`
*   `each`

**Special JS Feature/Syntax**

There are no special JavaScript features or syntax mentioned in the benchmark. It solely relies on standard JavaScript and Lodash's `set` function.

**Alternative Approaches**

Other alternatives to set object properties include:

1.  **Using bracket notation**: Similar to dot notation, but uses a bracket `[]` instead of parentheses `()`.
2.  **Using Object.defineProperty or Object.assign**: Both methods allow setting property descriptors and objects, respectively.
3.  **Using destructuring assignment**: A modern JavaScript feature that allows assigning object properties using destructuring syntax.

While these alternatives exist, the benchmark focuses on comparing dot notation with Lodash's `set` function specifically.

Latest run results:

Run details: (Test run date: 10 months ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:122.0) Gecko/20100101 Firefox/122.0

Browser/OS: Firefox 122 on Linux

View result in a separate tab

Test name	Executions per second
Dot notation property setter	449447872.0 Ops/sec
Lodash.set	449837920.0 Ops/sec

Related benchmarks:

property assign VS Lodash.set (version: 0)

Compares different approaches to set an object property

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

Created: 4 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 one month ago):