Benchmark: lodash get vs myget function

HTML Preparation code:


<script>https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.19/lodash.core.js</script>

Script Preparation code:

var a = {a:{b:{c:20}}};

Tests:

lodash get
let result = _.get(a, 'a.b.c', "");
custom get
const get = (mainObj, path, def=null) => { const newPath = path.split('.'); //[ 'a', 'b', 'c' ] for(let path of newPath){ mainObj = mainObj[path] } // newPath.forEach(path=>{ // mainObj = mainObj[path] //{a:{b:{c:20}}} //{b:{c:20}} //{c:20} // }) return mainObj }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash get
custom get

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.

I'll break down the provided benchmark definition and test cases to explain what's being tested, compared, and the pros/cons of each approach.

**Benchmark Definition**

The benchmark tests two approaches for accessing nested object properties in JavaScript:

1. `_.get` from Lodash
2. A custom implementation (`custom get`) written by the user

Both approaches aim to retrieve a value from an object with a nested structure, using string paths (e.g., "a.b.c").

**Options Compared**

The two options being compared are:

* **Lodash `_.get`**: A utility function provided by the Lodash library. It's designed to safely navigate nested objects and retrieve values.
* **Custom implementation (`custom get`)**: A hand-crafted solution written by the user, which also aims to access nested object properties.

**Pros and Cons of Each Approach**

**Lodash `_.get`**

Pros:

* Built-in utility function with optimized performance
* Handles edge cases, such as undefined or null values
* Provides a simple and concise way to navigate nested objects

Cons:

* Dependence on the Lodash library, which may not be included in all projects
* May have licensing restrictions if used in commercial projects

**Custom Implementation (`custom get`)**

Pros:

* Control over implementation details, such as performance optimizations
* No dependence on external libraries or licenses
* Can be tailored to specific use cases or requirements

Cons:

* Requires more code and maintenance effort
* May not handle edge cases as robustly as `_.get`
* Could lead to potential bugs or inconsistencies if not implemented correctly

**Library Used**

The Lodash library is used in the benchmark definition, specifically the `lodash.core.js` file. Lodash provides a wide range of utility functions for working with data structures, including arrays and objects.

**Special JS Features/Syntax (None)**

There are no special JavaScript features or syntaxes being tested in this benchmark.

**Alternative Approaches**

Other approaches to accessing nested object properties could include:

* Using `in` operator with string concatenation
* Utilizing recursion or iterative methods
* Leveraging modern JavaScript features like `flatMap`, `map`, and `reduce`
* Employing data structures like graphs or trees for nested objects

Keep in mind that each approach has its trade-offs, and the best solution depends on the specific use case and performance requirements.

In summary, this benchmark tests two approaches to accessing nested object properties: Lodash's `_.get` utility function and a custom implementation (`custom get`) written by the user. The pros and cons of each approach are discussed, highlighting the benefits and drawbacks of each method in terms of performance, maintainability, and licensing.

Related benchmarks:

lodash get vs myget function (version: 0)

test

Comparing performance of: lodash get vs custom get

Created: 5 years ago by: Guest

Jump to the latest result

lodash get

custom get

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):