Benchmark: Lodash.get vs Lodash.property vs native 3

HTML Preparation code:

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

Script Preparation code:

var person = {name: 'Frederick', lastName: 'Corcino Alejo', foo: { bar: "baz" } };
var p = _.property("foo.bar");

Tests:

native simple
person.foo;
native simple different
person["foo"];

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
native simple
native simple different

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

I'll break down the explanation into manageable parts.

**Benchmark Overview**

MeasureThat.net is a website where users can create and run JavaScript microbenchmarks to compare different approaches, libraries, or syntaxes. The provided JSON represents a benchmark definition and test cases for measuring the performance of accessing properties in JavaScript objects using Lodash's `get` and `property` functions versus native code.

**Benchmark Definition**

The benchmark definition consists of three parts:

1. **Script Preparation Code**: This code sets up a sample object `person` with nested properties, including `foo`, which contains another object `bar`. The code also includes the Lodash library from a CDN.
2. **Html Preparation Code**: This code includes the script tag to load the Lodash library.
3. **Benchmark Definition**: This is an array of individual test cases that define what property access operations are being measured.

**Individual Test Cases**

There are two test cases:

1. **Test Case 1: "native simple"**
	* `Benchmark Definition`: `person.foo;`
	* Purpose: Measure the performance of accessing a property using dot notation (the native approach).
2. **Test Case 2: "native simple different"**
	* `Benchmark Definition`: `person["foo"];` // Note the use of double quotes instead of single quotes.
	* Purpose: Measure the performance of accessing a property using bracket notation (also the native approach).

**Library and Syntax**

Lodash's `get` function is used in one of the test cases. Lodash is a popular JavaScript utility library that provides various functions for working with data, including object manipulation.

In this benchmark, the `get` function is used to access nested properties using a string. For example, `_.property("foo.bar")` would return the value of the `bar` property within the `foo` object.

The use of double quotes in the second test case (`person["foo"];`) is notable because JavaScript uses double quotes by default when accessing properties. The single quotes used in the first test case (`person.foo;`) are likely used to demonstrate a specific syntax or convention, as it's not the most common way to access properties.

**Other Alternatives**

Some alternative approaches for accessing properties include:

* Using `in` operator: `person["foo"]`
* Using `hasOwnProperty`: `person.hasOwnProperty('foo') ? person['foo'] : undefined`

However, these alternatives are not tested in this benchmark.

**Pros and Cons**

The pros of using Lodash's `get` function or the native approach include:

* Convenience: Using a library like Lodash can simplify code and make it more readable.
* Flexibility: The `get` function allows for accessing nested properties with a string, which can be useful in certain scenarios.

Cons include:

* Overhead: Using a library may introduce overhead due to the need to load and initialize the library.
* Dependence on external libraries: Relying on Lodash or other libraries can make code less portable or maintainable.

In contrast, using the native approach (dot notation or bracket notation) is generally more lightweight but may require more manual effort to manage complex property access scenarios.

Overall, this benchmark highlights the importance of considering performance and readability when choosing between different approaches for accessing properties in JavaScript objects.

Related benchmarks:

Lodash.get vs Lodash.property vs native 3 (version: 0)

Comparing performance of: native simple vs native simple different

Created: 4 years ago by: Guest

Jump to the latest result

native simple

native simple different

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):