Benchmark: lodash chain vs sequence call

HTML Preparation code:

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

Script Preparation code:

var lookupArray = Array.from(_.range(100), x => ({
    id: _.random(0, Number.MAX_SAFE_INTEGER - 1, false)
}));

const minID = _.minBy(lookupArray, 'id').id;
const maxID = _.maxBy(lookupArray, 'id').id + 1;

var randomID = _.random(minID, maxID, false);

Tests:

sequece lodash
const itemFound = _.find(lookupArray, { id: randomID }); const nameValue = _.get(itemFound, 'id');
chain
const nameValue = _.chain(lookupArray).find({ id: randomID }).get('id').value();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
sequece lodash
chain

Fastest: N/A

Slowest: N/A

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/90.0.4430.85 Safari/537.36

Browser/OS: Chrome 90 on Windows

View result in a separate tab

Test name	Executions per second
sequece lodash	887777.1 Ops/sec
chain	678635.4 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what is being tested.

**Benchmark Overview**

The benchmark is comparing two approaches to find an element in an array using the Lodash library. The test consists of two individual test cases: "sequence lodash" and "chain".

**Test Cases**

1. **Sequence Lodash**: This test case uses the traditional chained method of calling Lodash functions sequentially. In this test, the `find` function is called on the `lookupArray` with an object containing the `id` property matching the randomly generated ID. The result of the `find` function is then passed to the `get` function with a path specification `'id'`. This approach uses method chaining to compose multiple Lodash functions.

Example code:
```javascript
const itemFound = _.find(lookupArray, { id: randomID });
const nameValue = _.get(itemFound, 'id');
```

2. **Chain**: This test case uses the "chain" method provided by Lodash, which allows for more concise and readable function chaining. In this test, the `chain` function is called on the `lookupArray`, and then the `find` function is chained to it with a condition object matching the randomly generated ID. The result of the `find` function is then passed to the `get` function with a path specification `'id'`. This approach uses a more functional programming style.

Example code:
```javascript
const nameValue = _.chain(lookupArray).find({ id: randomID }).get('id').value();
```

**Library and Purpose**

Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks such as array manipulation, object manipulation, and functional programming. In this benchmark, Lodash is used to provide the `find` and `chain` functions.

The "chain" method allows developers to create a pipeline of operations by chaining multiple functions together, which can lead to more readable and maintainable code. However, it also incurs overhead due to the creation and management of function calls.

**Pros and Cons**

* **Sequence Lodash**: Pros:
	+ More traditional approach with clear intent.
	+ Can be easier to understand for developers familiar with method chaining.
*   Cons:
	+ May lead to longer execution times due to the sequential nature of the operations.
*   Chain: Pros:
	+ More concise and readable code.
	+ Can reduce boilerplate code.
*   Cons:
    + May incur additional overhead due to function call creation and management.

**Special JS Features/Syntax**

None are explicitly mentioned in this benchmark.

**Other Alternatives**

If you want to compare the performance of Lodash with other array manipulation libraries or approaches, here are some alternatives:

1.  Vanilla JavaScript: Using built-in JavaScript methods like `find()` and `get()` for array operations.
2.  Other utility libraries: Such as underscore-js (a stripped-down version of Lodash) or Ramda.
3.  Custom implementations: Implementing your own array manipulation functions from scratch.

These alternatives can provide different performance profiles depending on the specific use case and requirements.

Related benchmarks:

lodash chain vs sequence call (version: 0)

Comparing performance of: sequece lodash vs chain

Created: 3 years ago by: Registered User

Jump to the latest result

sequece lodash

chain

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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