Benchmark: Lodash vs Native capitalize first letter

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

var text = "banana"

Tests:

Native
text.charAt(0).toUpperCase() + text.slice(1)
Lodash
_.capitalize(text);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Native
Lodash

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

Let's break down the benchmark and its components.

**Benchmark Definition**

The benchmark is comparing two approaches to capitalize the first letter of a string:

1. **Native**: Using the `charAt` and `toUpperCase` methods directly on the JavaScript object (in this case, the `text` variable).
2. **Lodash**: Using the `capitalize` function from the Lodash library.

**Options Compared**

The benchmark is comparing two options:

* **Native**: Using built-in JavaScript functions.
* **Lodash**: Using a third-party library for string manipulation.

**Pros and Cons of Each Approach**

**Native:**

Pros:

* Faster execution, as it doesn't require an additional library to be loaded.
* More efficient use of system resources, as the native code is optimized for performance.
* Better support for older browsers or environments with limited JavaScript capabilities.

Cons:

* May not work across all platforms or browsers that don't support `charAt` and `toUpperCase`.
* Can be less readable or maintainable due to its simplicity and directness.

**Lodash:**

Pros:

* More expressive and readable code, as the `capitalize` function provides a clear intent.
* Can work across multiple platforms and browsers with ease, thanks to Lodash's polyfills and optimizations.
* Provides additional benefits like automatic type checking, caching, and optimization.

Cons:

* Slower execution due to the overhead of loading an external library.
* May consume more system resources, depending on the specific implementation and usage.
* Can be less efficient in older browsers or environments with limited JavaScript capabilities.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a collection of helper functions for common tasks like string manipulation, array operations, and more. The `capitalize` function in this benchmark is part of the String utils module, which helps normalize strings by capitalizing the first letter while making all other letters lowercase.

**Special JS Feature/ Syntax**

In this benchmark, there is no special JavaScript feature or syntax being tested. Both native and Lodash approaches use standard JavaScript methods and functions.

**Other Alternatives**

If you need to compare string manipulation approaches in a benchmark, consider using other libraries or methods like:

* `String.prototype.toCapital()` (supported by modern browsers)
* `String.prototype.replace()` with a regex pattern
* Other string library implementations like `stringify` from the String-Parser project

Keep in mind that each alternative may have its own pros and cons, depending on the specific requirements and constraints of your benchmark.

In summary, this benchmark is testing the performance difference between using native JavaScript methods (`charAt` and `toUpperCase`) versus the Lodash library's `capitalize` function for string manipulation. The results provide insight into which approach might be more suitable for specific use cases or environments.

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.1 Safari/605.1.15

Browser/OS: Safari 16 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Native	4357012.5 Ops/sec
Lodash	2986433.8 Ops/sec

Related benchmarks:

Lodash vs Native capitalize first letter (version: 0)

Comparing performance of: Native vs Lodash

Created: 3 years ago by: Guest

Jump to the latest result

Native

Lodash

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):