Benchmark: Lodash.get vs Property dot notation nested accessor V2

HTML Preparation code:

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

Script Preparation code:

var something = { props: { user: { firstName: "Troy", lastName: "Aikman" } } };

Tests:

lodash
_.get(something.props, 'user.firstName');
native
something.props.user ? something.props.user.firstName : undefined

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash
native

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser/OS: Chrome 127 on Linux

View result in a separate tab

Test name	Executions per second
lodash	7606734.0 Ops/sec
native	20623568.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into explaining the provided benchmark.

**What is tested?**

The benchmark measures the performance difference between two approaches:

1. **Lodash's `_.get()` method**: A utility function from the Lodash library that allows accessing nested properties of an object.
2. **Property dot notation (native approach)**: Using native JavaScript to access nested properties of an object using the dot notation.

**Options compared**

The benchmark compares two options:

* **Lodash's `_.get()` method**
	+ Pros:
		- Provides a convenient and expressive way to access nested properties.
		- Well-documented and widely used.
	+ Cons:
		- Adds an external library dependency, which can increase the size of the bundle.
		- May introduce overhead due to the function call and parameter passing.
* **Property dot notation (native approach)**
	+ Pros:
		- No additional library dependencies or overhead.
		- Native JavaScript implementation, which is typically faster than a library-based solution.

**Other considerations**

When choosing between these two approaches, consider the trade-offs:

* If you need to frequently access nested properties with complex paths, Lodash's `_.get()` method might be more convenient and easier to read. However, this comes at the cost of adding an external dependency.
* If performance is critical, using property dot notation (native approach) might be a better choice, as it avoids the overhead introduced by the library function call.

**Library and its purpose**

Lodash is a popular JavaScript utility library that provides various functions for tasks such as:

* Array manipulation
* String manipulation
* Object manipulation (including accessors like `_.get()`)

In this benchmark, Lodash's `_.get()` method is used to access the nested property `firstName` within an object.

**Special JS feature or syntax**

There are no special JavaScript features or syntax mentioned in this benchmark. The code uses standard JavaScript syntax and constructs, such as objects, arrays, functions, and conditional statements.

Now, let's discuss other alternatives:

* **Using the bracket notation**: Instead of property dot notation, you can use the bracket notation (`obj["property"]`) to access nested properties.
* **Using `JSON.parse()` or a similar approach**: You could use `JSON.parse()` or another method to recursively parse an object and access its properties. However, this approach might be less efficient than using property dot notation.

Keep in mind that these alternatives are not directly comparable to Lodash's `_.get()` method or the native property dot notation approach used in this benchmark.

Related benchmarks:

Lodash.get vs Property dot notation nested accessor V2 (version: 0)

Comparing performance of: lodash vs native

Created: one year ago by: Registered User

Jump to the latest result

lodash

native

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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