Benchmark: Lodash get - MeasureThat.net

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var obj = {a:{c:1},b:[{v:3},{f:2}]};

Tests:

Native
let a = obj.b[0].v;
Lodash
let a = _.get(obj,"b[0].v");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Native
Lodash

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 JSON data and explain what's being tested.

**Benchmark Definition**

The benchmark definition is a simple JavaScript code snippet that creates an object `obj` with nested properties, including an array `b` containing another object with a property `v`. The objective of this benchmark is to retrieve the value of `v` from the nested object.

There are two different approaches to achieve this:

1. **Native**: This approach uses native JavaScript syntax and does not rely on any external libraries.
2. **Lodash**: This approach uses the Lodash library, which provides a function called `_.get()` that allows you to access nested properties of an object.

**Options compared**

The two options are compared in terms of their performance. The benchmark measures the number of executions per second for each option.

**Pros and Cons**

1. **Native**:
	* Pros: Fast, lightweight, and doesn't rely on any external libraries.
	* Cons: May not be as readable or maintainable due to its concise syntax.
2. **Lodash**:
	* Pros: More readable and maintainable due to the use of a clear function name (`_.get()`).
	* Cons: Requires an additional dependency (the Lodash library), which may increase the overall size of the benchmark.

**Library usage**

In this case, the Lodash library is used to provide the `_.get()` function. The purpose of this function is to allow you to access nested properties of an object in a more readable and maintainable way.

**Special JS feature or syntax**

There are no special JavaScript features or syntax used in this benchmark. Both options use standard JavaScript syntax.

**Other alternatives**

If we were to compare the performance of native JavaScript with other approaches, some alternative methods could include:

1. **Array indexing**: Using array indexing to access nested properties, e.g., `obj.b[0].v`.
2. **Object destructuring**: Using object destructuring to access nested properties, e.g., `const { v } = obj.b[0]`.
3. **Other libraries**: Other libraries, such as Underscore.js or Moment.js, which provide similar functionality to Lodash.

However, these alternatives would likely be more complex and less readable than the native JavaScript approach. The use of external libraries like Lodash can simplify the code and make it more maintainable, but may also introduce additional dependencies and performance overhead.

Related benchmarks:

Lodash get (version: 0)

Testing lodash get

Comparing performance of: Native vs Lodash

Created: 6 years ago by: Guest

Jump to the latest result

Native

Lodash

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):