Benchmark: String vs Object find

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 = ['cat', 'dog', 'hippo'];
var arr2 = [{id: 'cat'}, {id: 'dog'}, {id: 'hippo'}];

Tests:

String Find
_.find(arr, 'cat');
Object Find
_.find(arr2, (a) => a.id === 'cat');

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
String Find
Object Find

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gemma2:9b, generated 26 days ago):

LLMs can make mistakes. Check important info.

This benchmark compares two methods for finding a specific element within arrays:

**1. String Find:**

* **Benchmark Definition:** `_.find(arr, 'cat');` 
* This uses Lodash's `_.find()` method to search the array `arr` (containing strings) for the string value "cat".

**2. Object Find:**

* **Benchmark Definition:** `_.find(arr2, (a) => a.id === 'cat');` 
* This uses Lodash's `_.find()` method to search the array `arr2` (containing objects with an "id" property) for an object where the `id` property is equal to "cat".

**Lodash:**  This benchmark utilizes the Lodash JavaScript library. Lodash provides a wide range of utility functions that extend built-in JavaScript functionality, including efficient array manipulation methods like `_.find()`.

**Pros and Cons:**

* **String Find:** 
    * **Pros:** Potentially simpler syntax for finding exact string matches in arrays of strings.
    * **Cons:** Less flexible if you need to search based on more complex criteria (like properties within objects).

* **Object Find:**
    * **Pros:** More versatile as it allows searching based on properties and comparisons within objects, making it suitable for scenarios involving data structures with attributes. 
    * **Cons:** Syntax can be slightly more verbose due to the use of a callback function.

**Other Considerations:**

* **Performance:** The benchmark aims to measure which approach is faster in terms of executions per second. Factors influencing performance include:
    * Array size
    * Complexity of search criteria
    * Underlying JavaScript engine optimizations
* **Alternatives:**  While Lodash provides efficient `_.find()`, you could also implement similar functionality using native JavaScript methods like `Array.prototype.find()` or traditional looping approaches (though these might be less performant).

The choice between the string and object find approaches depends on the specific requirements of your application:

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.72 Safari/537.36

Browser/OS: Chrome 90 on Windows

View result in a separate tab

Test name	Executions per second
String Find	3235882.0 Ops/sec
Object Find	3670125.5 Ops/sec

Related benchmarks:

String vs Object find (version: 0)

Comparing performance of: String Find vs Object Find

Created: 3 years ago by: Guest

Jump to the latest result

String Find

Object Find

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gemma2:9b, generated 26 days ago):