Benchmark: Is Some faster than !!find

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.core.js"></script>

Script Preparation code:

const largerArray = Array.from({
    length: 10000000
}, (_, index) => `Element${index}`);

// Add the 'bc' element at the end of the array
largerArray.push('bc');

Tests:

Find
const largerArray = []; for (let i = 0; i < 1000000; i++) { largerArray.push('Element' + i); } // Add the 'bc' element at the end of the array largerArray.push('bc'); var b = !!largerArray.find(item => item === 'bc');
Some
const largerArray = []; for (let i = 0; i < 1000000; i++) { largerArray.push('Element' + i); } // Add the 'bc' element at the end of the array largerArray.push('bc'); var b = largerArray.some(item => item === 'bc');

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Find
Some

Fastest: N/A

Slowest: N/A

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/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser/OS: Chrome 134 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Find	9.1 Ops/sec
Some	9.8 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the benchmark and its components.

**Benchmark Definition**

The benchmark is defined by two main scripts: `Script Preparation Code` and `Html Preparation Code`. The former defines a JavaScript array with 10 million elements, where each element starts with "Element" followed by an incrementing number. At the end of the array, there's a single element labeled "bc". This script is prepared to be executed multiple times.

The latter includes a link to the Lodash library, which provides various utility functions for JavaScript.

**Individual Test Cases**

There are two test cases:

1. **Find**: The first test case creates an array with 10 million elements and pushes it into the `largerArray`. It then finds the index of the element labeled "bc" using the `find` method, which returns a boolean value indicating whether the specified element is present in the array. The result is stored in the variable `b`.

2. **Some**: The second test case creates an array with 10 million elements and pushes it into the `largerArray`. It then uses the `some` method to check if any element in the array matches a specific condition (in this case, "bc"). The result is stored in the variable `b`.

**Options Compared**

The two options being compared are:

1. **Find**: This option uses the `find` method, which returns a boolean value (`true` or `false`) indicating whether an element with the specified value exists in the array.
2. **Some**: This option uses the `some` method, which returns a boolean value (`true` or `false`) indicating whether at least one element in the array matches the specified condition.

**Pros and Cons**

*   **Find**:
    *   Pros: Can be useful when you need to find a specific element in an array.
    *   Cons: Can lead to more complex logic, especially if the search criteria involve multiple conditions or filtering. In this case, `some` is likely to perform better since it only needs to check one condition per iteration.
*   **Some**:
    *   Pros: More concise and easier to read than `find`, as it requires less code and eliminates the need for explicit checks for an element's existence.
    *   Cons: May not be suitable when you need to find a specific element with an exact match, especially if performance is critical.

**Library**

Lodash provides various utility functions, including `some`. The `lodash.core.js` library imported in the benchmark preparation code includes several methods like `some`, `find`, and others for common use cases.

**Special JS Feature/Syntax**

There's no special JavaScript feature or syntax used in this benchmark. It uses standard JavaScript concepts, such as array creation, iteration, and method calls (like `find` and `some`).

Related benchmarks:

Is Some faster than !!find (version: 0)

Comparing performance of: Find vs Some

Created: 2 years ago by: Guest

Jump to the latest result

Find

Some

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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