Benchmark: lodash._get vs Property dot notation with native

HTML Preparation code:

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

Script Preparation code:

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

Tests:

Lodash get
_.get(person, 'data.name');
Native
const get = (obj, path, defaultValue) => { const result = String.prototype.split.call(path, /[,[\].]+?/) .filter(Boolean) .reduce((res, key) => (res !== null && res !== undefined) ? res[key] : res, obj); return (result === undefined || result === obj) ? defaultValue : result; } get(person, 'data.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 provided benchmark and explain what's being tested, compared, and the pros/cons of each approach.

**Benchmark Overview**

The benchmark is comparing two approaches to access nested data in a JavaScript object:

1. **Lodash _.get()**: Using the popular utility library Lodash, which provides a convenient way to access nested properties.
2. **Native Property Dot Notation**: Directly accessing nested properties using dot notation (e.g., `person.data.name`).

**What's being tested?**

The benchmark is testing the performance of both approaches:

1. **Lodash _.get()**: Measuring the execution time of calling the Lodash `_get()` function with a specific path to access nested data.
2. **Native Property Dot Notation**: Measuring the execution time of directly accessing nested properties using dot notation.

**Options Compared**

The benchmark is comparing two options:

1. **Lodash _.get()**: Using an external library (Lodash) to simplify accessing nested data.
2. **Native Property Dot Notation**: Accessing nested data using native JavaScript syntax (dot notation).

**Pros and Cons of Each Approach:**

**Lodash _.get():**

Pros:

* More readable and maintainable code
* Less prone to errors due to the use of a robust library
* Can handle complex paths with ease

Cons:

* Requires including an external library, which may incur a slight overhead
* May be slower than native implementations (although this is unlikely to be noticeable)

**Native Property Dot Notation:**

Pros:

* No additional library dependencies or overhead
* Directly accessible and optimized for performance

Cons:

* More prone to errors due to the complexity of nested data access
* Less readable code can lead to maintenance issues

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides various functions for working with arrays, objects, and other data structures. The `_get()` function is specifically designed to handle nested property access, making it easy to work with complex data structures.

**Special JS Feature/Syntax: None mentioned in this benchmark**

However, if we were to look at the individual test cases, we would see that one of them uses a special syntax feature called **Arrow Functions** (e.g., `get(person, 'data.name')`). Arrow functions are a shorthand way of defining small, single-expression functions. They have become increasingly popular in modern JavaScript development.

**Other Alternatives**

If you were to implement this benchmark using another library or approach, here are some alternatives:

1. **Array.prototype.at()**: Introduced in ECMAScript 2019, `at()` is a new method for accessing nested array elements.
2. **Object.values() / Object.entries()**: These methods can be used to access values or entries of objects, respectively.

Keep in mind that the choice of approach depends on your specific use case, personal preference, and performance requirements.

Related benchmarks:

lodash._get vs Property dot notation with native (version: 0)

Comparing performance of: Lodash get vs Native

Created: 6 years ago by: Registered User

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):