Benchmark: Lodash.get using string vs array at depth 2

HTML Preparation code:

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

Script Preparation code:

var person = {data: {type: 'Frederick'}};

Tests:

Lodash get string
_.get(person, 'data.type');
Lodash get array
_.get(person, ['data', 'type']);
Native
person.data.type

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash get string
Lodash get array
Native

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0

Browser/OS: Firefox 96 on Ubuntu

View result in a separate tab

Test name	Executions per second
Lodash get string	3109693.5 Ops/sec
Lodash get array	13527374.0 Ops/sec
Native	897828544.0 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated 2 months ago):

LLMs can make mistakes. Check important info.

Let's dive into the explanation of what's being tested in this benchmark.

**Overview**

The provided JSON represents a JavaScript microbenchmark test case for measuring the performance of different approaches to accessing nested object properties in a JavaScript object. The test case compares three options:

1. Using Lodash (a popular utility library) with an array-based approach.
2. Using Lodash with a string-based approach.
3. Accessing the property directly without using any libraries or functions.

**Lodash Library**

The `Html Preparation Code` includes a script tag that loads the Lodash library from a CDN. Lodash is a JavaScript utility library that provides various functions for tasks such as data manipulation, function currying, and more. In this case, we're specifically using the `_get()` function to access nested object properties.

**Options Compared**

The three options being compared are:

1. **Lodash get array**: This option uses Lodash's `_get()` function with an array-based approach to access the `type` property of the `data` object.
2. **Lodash get string**: This option uses Lodash's `_get()` function with a string-based approach to access the `type` property of the `data` object.
3. **Native**: This option directly accesses the `type` property of the `data` object without using any libraries or functions.

**Pros and Cons**

Here are some pros and cons for each option:

* **Lodash get array**:
	+ Pros: More readable code, easier to maintain, especially for nested objects with many levels.
	+ Cons: Additional overhead due to the Lodash library and its function calls.
* **Lodash get string**:
	+ Pros: Similar benefits to `Lodash get array`, but with a single string argument instead of an array.
	+ Cons: Same additional overhead as `Lodash get array`.
* **Native**:
	+ Pros: No additional overhead, straightforward and efficient code.
	+ Cons: Less readable code, may require more maintenance effort due to the need for indexing or chaining.

**Other Considerations**

When choosing between these options, consider the trade-offs between readability, maintainability, and performance. If you need to access nested object properties frequently, using a library like Lodash can provide benefits in terms of ease of use and consistency. However, if you're looking for optimal performance and don't mind more complex code, accessing properties directly without any libraries or functions might be the better choice.

**Special JS Feature/Syntax**

There are no special JavaScript features or syntax used in this benchmark beyond what's typically found in modern JavaScript engines.

**Alternatives**

If you prefer to avoid Lodash or other utility libraries, you can implement similar functionality using standard JavaScript syntax, such as:

* Using `in` operator for accessing properties: `person.data['type']`
* Using `hasOwnProperty()` method: `person.data.hasOwnProperty('type') ? person.data.type : undefined`

Keep in mind that these alternatives might not be as readable or maintainable as the Lodash-based approach.

I hope this explanation helps you understand what's being tested in this benchmark!

Related benchmarks:

Lodash.get using string vs array at depth 2 (version: 0)

Comparing performance of: Lodash get string vs Lodash get array vs Native

Created: 2 years ago by: Guest

Jump to the latest result

Lodash get string

Lodash get array

Native

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 2 months ago):