Benchmark: Lodash.js vs Native (find)

HTML Preparation code:

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

Script Preparation code:

var max1 = 100000; // 100,000 (100 Thousand)
var max2 = 10000000; // 10,000,000 (10 Million)
var max3 = 100000000; // 100,000,000 (100 Million)

var arr1 = [];
//for (var i = 0; i <= max1; i++) { arr1.push(i); }

var arr2 = [];
for (var i = 0; i <= max2; i++) { arr2.push(i); }

var arr3 = [];
//for (var i = 0; i <= max3; i++) { arr3.push(i); }

Tests:

Native
arr2.find(function (element) { return element === 900; });
Lodash.js filter
_.find(arr2, function (element) { return element === 900; });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Native
Lodash.js filter

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:104.0) Gecko/20100101 Firefox/104.0

Browser/OS: Firefox 104 on Mac OS X 10.15

View result in a separate tab

Test name	Executions per second
Native	339388.7 Ops/sec
Lodash.js filter	316862.9 Ops/sec

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

LLMs can make mistakes. Check important info.

**Benchmark Overview**

The provided JSON represents a JavaScript benchmark test case, where two approaches are compared: native (built-in) and Lodash.js's `find` function. The goal is to measure the performance of these two methods in finding an element with a specific value in large arrays.

**Test Case Analysis**

There are two individual test cases:

1. **Native**: This test case uses the built-in `Array.prototype.find` method, which searches for an element that satisfies a provided condition. In this case, the condition is `element === 900`.
2. **Lodash.js filter**: This test case uses Lodash.js's `find` function from its `lodash` library. The same condition (`element === 900`) is applied to find the desired element.

**Library: Lodash.js**

Lodash.js is a popular JavaScript utility library that provides various functions for tasks such as array manipulation, string manipulation, and more. In this context, the `find` function is used to search for an element in an array that satisfies a given condition.

**Native Method**

The native `Array.prototype.find` method is a built-in JavaScript feature that has been implemented by web browsers. Its performance depends on various factors, such as:

* The size of the input array
* The complexity of the condition being evaluated

Pros:

* Fast and efficient, as it leverages the browser's internal optimization techniques
* Simple and concise implementation

Cons:

* May have slower performance compared to specialized libraries for certain use cases
* Limited control over the underlying algorithm

**Lodash.js filter**

The Lodash.js `find` function is a more complex implementation that involves additional overhead, such as:

* Function call overhead
* Object lookup and iteration
* Potential caching mechanisms

Pros:

* More robust and feature-rich than the native method
* Often faster for certain use cases, especially when dealing with larger arrays or complex conditions

Cons:

* Adds extra complexity and size to the codebase
* May have slower performance compared to the native method in some scenarios

**Special JS Features/ Syntax**

There is no special JavaScript feature or syntax used in these test cases. The focus is on comparing the performance of two different approaches.

**Other Alternatives**

If you need to perform array searches, other alternatives include:

* **Array.prototype.indexOf`**: While not exactly equivalent to `find`, this method can be used to find the index of a specific element.
* **Regular expressions`: Regular expressions can be used to search for patterns in arrays, but they may have slower performance compared to native methods or specialized libraries.
* **Custom implementation`: Depending on the specific requirements and constraints, you might need to implement your own array search algorithm from scratch.

Related benchmarks:

Lodash.js vs Native (find) (version: 0)

Comparing performance of: Native vs Lodash.js filter

Created: 4 years ago by: Guest

Jump to the latest result

Native

Lodash.js filter

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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