Benchmark: somevfind - MeasureThat.net

Tests:

array.find
const testIds = [7721, 7702, 7701, 7700, 7699, 7698, 7592, 7591, 7590, 7598, 7588, 7587, 7586, 7585, 7584, 7573, 7651, 6595, 5966, 5965, 5960, 5154, 5147, 5144, 5143, 5141, 5140, 5139, 5138, 5137, 5136, 5134, 5038, 4717, 2180, ]; const isIdExist = testIds.find((id) => id === 2180)
array.some
const testIds = [7721, 7702, 7701, 7700, 7699, 7698, 7592, 7591, 7590, 7598, 7588, 7587, 7586, 7585, 7584, 7573, 7651, 6595, 5966, 5965, 5960, 5154, 5147, 5144, 5143, 5141, 5140, 5139, 5138, 5137, 5136, 5134, 5038, 4717, 2180, ]; const isIdExist = testIds.some((id) => id === 2180)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
array.find
array.some

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):

LLMs can make mistakes. Check important info.

Measuring performance is crucial in software development, and having a clear understanding of the tests being run can help identify areas for improvement.

The provided JSON represents two individual test cases on MeasureThat.net:

1. **array.find**
2. **array.some**

These test cases aim to measure the performance difference between using `find()` and `some()` methods in JavaScript.

**What is tested?**

In this context, both tests are trying to find a specific element (`id === 2180`) within an array of IDs. However, they differ in their approach:

*   **array.find()**: This method returns the first element that satisfies the provided condition (in this case, `id === 2180`). If no such element is found, it returns `undefined`.
*   **array.some()**: This method returns a boolean value indicating whether at least one element in the array satisfies the condition (`id === 2180`).

**Options compared**

The two tests are comparing the performance of these two methods:

1.  Using `find()` to search for an exact match.
2.  Using `some()` to check if any element matches.

**Pros and Cons:**

*   **array.find()**:
    *   Pros:
        *   Returns the actual matched element, which can be useful in certain scenarios.
        *   Can provide more accurate results when searching for a specific value within an array of similar elements.
    *   Cons:
        *   May return `undefined` if no matching element is found, requiring additional checks or handling.
*   **array.some()**:
    *   Pros:
        *   Returns a boolean value indicating whether any element matches, which can be useful in certain scenarios (e.g., validation).
        *   Does not require an explicit return type.
    *   Cons:
        *   May be slower than `find()` when searching for a single exact match due to the iteration over the entire array.

**Library usage**

Neither of these tests uses any external libraries. They rely solely on JavaScript's built-in methods (`find()`, `some()`) and arrays.

**Special JS features or syntax**

None are explicitly mentioned in this context, but it's worth noting that certain edge cases like null or undefined values might affect performance or behavior when using these methods.

**Other alternatives**

If you're interested in exploring alternative methods for array search or iteration, consider the following:

*   **array.prototype.every()**: Similar to `some()` but returns a boolean value indicating whether all elements in the array satisfy the condition.
*   **array.prototype.reduce()**: Can be used to iterate over an array and perform operations on each element, often resulting in a cumulative result.

Keep in mind that performance may vary depending on the specific requirements of your application and the nature of the data being processed.

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36

Browser/OS: Chrome 93 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
array.find	56333256.0 Ops/sec
array.some	56841300.0 Ops/sec

Related benchmarks:

somevfind (version: 0)

Comparing performance of: array.find vs array.some

Created: 3 years ago by: Guest

Jump to the latest result

array.find

array.some

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):