Benchmark: Lodash.get vs Property dot notation with longer path and conditional access

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>

Script Preparation code:

var person = {name: { something: { else: 'Frederick' } }, lastName: 'Corcino Alejo'};

Tests:

Lodash get
_.get(person, 'name.something.else');
Native
person.name?.something?.else

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash get
Native

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's being tested.

**Benchmark Overview**

The benchmark compares two approaches to access nested properties of an object: `lodash.get()` and property dot notation with conditional access (`person.name?.something?.else`).

**Options Compared**

There are two options being compared:

1. **Lodash `.get()`**: This is a utility function provided by the Lodash library, which helps traverse nested objects.
2. **Property Dot Notation with Conditional Access**: This approach uses the optional chaining operator (`?.`) to access nested properties.

**Pros and Cons**

### Lodash `.get()`

Pros:

* More concise and readable code
* Less prone to errors due to its explicit interface for accessing nested properties
* Can handle a wide range of edge cases

Cons:

* Requires an additional library (Lodash) to be included in the project
* May have a slight performance overhead due to the extra function call

### Property Dot Notation with Conditional Access

Pros:

* Native JavaScript syntax, which means no external libraries are required
* Can be faster since it avoids the overhead of a function call
* More familiar interface for developers who already know property dot notation

Cons:

* May lead to errors if not used carefully (e.g., missing or malformed object paths)
* Less readable code compared to Lodash `.get()` in many cases

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks like array manipulation, object traversal, and more. The `.get()` function is specifically designed to help traverse nested objects.

**Special JS Feature or Syntax**

The benchmark uses the optional chaining operator (`?.`) in the property dot notation approach. This operator was introduced in ECMAScript 2020 (ES10) as a way to access nested properties in a safe and readable manner. It's called "optional" because it returns `undefined` if any of the intermediate steps are missing or null.

**Other Considerations**

When choosing between these approaches, consider your specific use case, team preferences, and performance requirements. If you're working on a project that already includes Lodash, using `.get()` might be more readable and convenient. However, if you prefer native JavaScript syntax and prioritize performance, property dot notation with conditional access might be a better choice.

**Alternative Approaches**

Other approaches to accessing nested properties include:

* Using a simple loop or recursion to iterate through the object's properties
* Using `in` operator to check for property existence before trying to access it
* Using template literals or string concatenation to build the nested property path

However, these alternatives might be less readable and more error-prone than using Lodash `.get()` or property dot notation with conditional access.

Related benchmarks:

Lodash.get vs Property dot notation with longer path and conditional access (version: 0)

Comparing performance of: Lodash get vs Native

Created: 2 years ago by: Guest

Jump to the latest result

Lodash get

Native

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):