Benchmark: Comparing performance of native some and Lodash _.some

HTML Preparation code:

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

Script Preparation code:

var arr = [
  '',
  'str',
  'str',
  '',
];

Tests:

Lodash
_.some(arr, value => !_.isEmpty(value))
Native
arr.some(value => !value.length)

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:

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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 provided JSON and explain what's being tested, compared, and their pros and cons.

**Benchmark Definition**

The benchmark is defined by two options:

1. **Native**: `arr.some(value => !value.length)`
2. **Lodash**: `_.some(arr, value => !_.isEmpty(value))`

**Options Compared**

The benchmark compares the performance of two approaches:

* **Native**: Using the built-in `.some()` method on an array.
* **Lodash**: Using the `lodash` library's `_some()` function to iterate over an array.

**Pros and Cons**

**Native Approach:**

Pros:

* Typically faster and more efficient since it leverages the optimized implementation of `.some()` in JavaScript engines.
* Often preferred for its simplicity and minimal overhead.

Cons:

* May not work as expected if the input array contains null or undefined values, which would trigger a TypeError.
* Might be less readable or maintainable due to its concise nature.

**Lodash Approach:**

Pros:

* Provides a more explicit and readable way of iterating over an array with a predicate function.
* Handles edge cases like null or undefined inputs more robustly.

Cons:

* Adds extra overhead due to the creation of an additional scope for the `_some()` function, which might impact performance in some scenarios.
* Requires including the `lodash` library, adding an extra dependency.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a collection of reusable functions. The `_some()` function in this benchmark checks if any element in an array passes a given predicate function test.

In the context of this benchmark, Lodash's `_some()` function helps ensure that null or undefined values are handled correctly and provide better readability compared to the native `.some()` method.

**Special JS Feature/Syntax**

There doesn't appear to be any specific JavaScript features or syntax being used beyond standard language constructs. The benchmark solely relies on JavaScript's built-in `Array.prototype.some()` method, Lodash's `_some()` function, and basic string manipulation (`value => !_.isEmpty(value)`).

**Alternatives**

Some alternative approaches to the native and Lodash methods could be:

* Using a custom iteration loop or for-each loop with an index variable.
* Implementing a custom predicate function using `Array.prototype.every()` and negating the result.
* Utilizing other library functions, such as `underscore` or `ramda`, which offer similar functionality to Lodash.

However, these alternatives might add unnecessary complexity or performance overhead compared to the native `.some()` method and Lodash's `_some()` function.

Related benchmarks:

Comparing performance of native some and Lodash _.some (version: 2)

Check if predicate returns truthy for any element with native .length and Lodash _.isEmpty.

Comparing performance of: Lodash vs Native

Created: 7 years ago by: Registered User

Jump to the latest result

Lodash

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):