Benchmark: Comparing performance of: Lodash get vs Native with object checking

HTML Preparation code:

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

Script Preparation code:

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

Tests:

Lodash get
_.get(person, 'name', '');
Native
person && person.name

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 benchmark and explain what's being tested.

**What is being tested?**

The benchmark measures the performance difference between two approaches:

1. Using Lodash (`_.get`) to access a nested property in an object.
2. Accessing the same nested property directly using native JavaScript syntax (`person && person.name`).

**Options compared:**

* Lodash's `_.get()` method, which is a utility function for accessing nested properties in objects.
* Native JavaScript syntax, specifically using the optional chaining operator (`&&`) to access nested properties.

**Pros and cons of each approach:**

1. **Lodash's `_.get()` method:**
	* Pros:
		+ Provides a safe and explicit way to access nested properties, avoiding potential errors due to undefined variables.
		+ Can be more readable, especially for complex nested property access scenarios.
	* Cons:
		+ Requires an additional library (Lodash) to be included in the project, which may add overhead and dependencies.
		+ May incur a small performance penalty due to the extra function call.
2. **Native JavaScript syntax (`person && person.name`):**
	* Pros:
		+ No additional library is required, reducing dependencies and overhead.
		+ Can be faster since it's a native operation without an extra function call.
	* Cons:
		+ May lead to errors if `person` or `name` is undefined, which can cause runtime issues.
		+ Can be less readable for complex nested property access scenarios.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides various functions for tasks such as string manipulation, array processing, and object manipulation. The `_get()` function is specifically designed to safely navigate through objects, allowing you to access nested properties with optional default values.

**Special JS feature or syntax**

This benchmark uses the optional chaining operator (`&&`) in native JavaScript syntax. This syntax allows you to access a property on an object without explicitly checking if the property exists first. If the property is undefined, the expression will return `undefined` instead of throwing an error. The syntax is `person && person.name`, where the `&&` operator checks if `person` and `name` are truthy before attempting to access the `name` property.

**Other alternatives**

If you prefer not to use Lodash or native JavaScript syntax with optional chaining, other alternatives include:

* Using a different utility library that provides similar functionality (e.g., Underscore.js).
* Implementing custom logic for accessing nested properties.
* Using a safer approach, such as using the `in` operator to check if the property exists before attempting to access it.

Keep in mind that each alternative has its pros and cons, and the best choice will depend on your specific use case and performance requirements.

Related benchmarks:

Comparing performance of: Lodash get vs Native with object checking (version: 0)

Comparing performance of: Lodash get vs Native

Created: 7 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):