Benchmark: Lodash isEqual vs native JS === for strings

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'};
var person2 = {name: 'Rick', lastName: 'Corcino Alejo'};

Tests:

Lodash isEqual
_.isEqual(person.name, person2.name) _.isEqual(person.lastName, person2.lastName)
Native ===
person.name === person2.name person.lastName === person2.lastName

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash isEqual
Native ===

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's break down the benchmarking scenario you've provided.

**What is tested?**

The provided JSON represents a JavaScript microbenchmark that tests two approaches for comparing string values: Lodash's `isEqual` function and native JavaScript's `===` operator.

**Options compared**

There are two test cases:

1. **Lodash isEqual**: This test case uses the `isEqual` function from the Lodash library to compare the `name` and `lastName` properties of two objects, `person` and `person2`. The purpose is to measure how efficiently this function performs string equality checks.
2. **Native ===**: This test case directly compares the string values using the native JavaScript `===` operator for both `name` and `lastName` properties.

**Pros and Cons**

1. **Lodash isEqual**:
	* Pros:
		+ Tests a widely-used library's implementation of equality checking, which can be useful for developers who work with Lodash.
		+ Can provide insights into the performance characteristics of the library.
	* Cons:
		+ Introduces additional overhead due to the use of an external library, which may impact performance.
2. **Native ===**:
	* Pros:
		+ No additional overhead from using a library, as it's a built-in operator in JavaScript.
		+ Can provide insights into how the native implementation performs string equality checks.
	* Cons:
		+ May not be representative of real-world usage scenarios where Lodash or other libraries might be used.

**Library: Lodash**

Lodash is a popular utility library for JavaScript that provides a wide range of functions, including `isEqual`. The `isEqual` function takes two arguments and returns a boolean indicating whether they are equal. In this benchmark, it's used to compare the string values in the `name` and `lastName` properties.

**Special JS feature/Syntax**

There is no special JavaScript feature or syntax mentioned in this benchmark. However, it's worth noting that using external libraries like Lodash can help avoid common pitfalls when performing equality checks, such as comparing primitive types (e.g., strings) instead of objects.

**Other alternatives**

If you were to create an alternative test case for string equality checking, you could consider using:

1. **String.prototype ===**: This method is similar to the native `===` operator but uses the prototype chain, which might lead to more accurate results in some cases.
2. **RegExp.test()**: You can use regular expressions to perform string matching, which can be useful for specific use cases.

Keep in mind that these alternatives may introduce different trade-offs and complexities compared to using Lodash's `isEqual` or native JavaScript's `===`.

Related benchmarks:

Lodash isEqual vs native JS === for strings (version: 0)

Comparing performance of: Lodash isEqual vs Native ===

Created: 2 years ago by: Guest

Jump to the latest result

Lodash isEqual

Native ===

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):