Benchmark: lodash vs es6 in reduce method

HTML Preparation code:

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

Script Preparation code:

var array = [
  { 'name': 'lim', 'age': 26 },
  { 'name': 'kim', 'age': 28 },
  { 'name': 'choi', 'age': 32 },
  { 'name': 'park', 'age': 21 }
 ];

Tests:

lodash reduce method
var result = _.reduce(array, (prev, cur) => { return prev + cur.age; }, 0);
es6 reduce method
var result = array.reduce((prev, cur) => { return prev + cur.age; }, 0);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash reduce method
es6 reduce method

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser/OS: Chrome 123 on Windows

View result in a separate tab

Test name	Executions per second
lodash reduce method	6325768.5 Ops/sec
es6 reduce method	16436991.0 Ops/sec

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

LLMs can make mistakes. Check important info.

**Benchmark Overview**

MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The provided benchmark compares the performance of the `reduce` method from two different approaches: Lodash (a popular utility library for JavaScript) and the built-in `Array.prototype.reduce()` method in ES6 (EcmaScript 2015).

**Test Cases**

There are two individual test cases:

1. **Lodash Reduce Method**: The benchmark tests the performance of the `_.reduce()` function from Lodash, which is used to reduce an array to a single value.
	* Benchmark Definition: `var result = _.reduce(array, (prev, cur) => {\r\n  return prev + cur.age;\r\n}, 0);`
2. **ES6 Reduce Method**: The benchmark tests the performance of the built-in `Array.prototype.reduce()` method in ES6, which is used to reduce an array to a single value.
	* Benchmark Definition: `var result = array.reduce((prev, cur) => {\r\n  return prev + cur.age;\r\n}, 0);`

**Options Compared**

The two approaches are compared in terms of their performance. The benchmark measures the number of executions per second for each method.

**Pros and Cons**

* **Lodash Reduce Method**:
	+ Pros: Lodash provides a convenient and readable way to perform array reductions, with a wide range of utility functions available.
	+ Cons: Adds an extra dependency to the codebase (the Lodash library), which may increase bundle size and download time.
* **ES6 Reduce Method**:
	+ Pros: Built-in to the JavaScript language, so no additional dependencies are required. More concise syntax can lead to faster execution.
	+ Cons: May require more cognitive effort from developers to understand and write correctly.

**Library: Lodash**

Lodash is a popular utility library for JavaScript that provides a wide range of functions for common tasks such as array manipulation, string processing, and object transformation. The `_.reduce()` function is part of this library and provides a convenient way to reduce arrays to single values.

**Special JS Feature/Syntax**

There are no special JavaScript features or syntax used in these test cases.

**Other Considerations**

* Performance: Both approaches have their trade-offs when it comes to performance. Lodash's `_.reduce()` function may be slower due to the overhead of a library call, while the built-in ES6 method may be faster but requires more manual effort from developers.
* Code Quality and Readability: The use of a library like Lodash can impact code quality and readability, as it introduces an additional dependency and may require more careful consideration when choosing functions.

**Alternatives**

Other alternatives for array reduction in JavaScript include:

* Using the `forEach()` method to iterate over the array and calculate the result manually.
* Implementing your own reduction function from scratch using basic loops and conditional statements.
* Using other libraries or frameworks that provide similar functionality, such as Ramda or Immutable.js.

These alternatives may offer different trade-offs in terms of performance, readability, and maintainability, depending on the specific use case and requirements.

Related benchmarks:

lodash vs es6 in reduce method (version: 0)

Comparing performance of: lodash reduce method vs es6 reduce method

Created: 6 years ago by: Registered User

Jump to the latest result

lodash reduce method

es6 reduce method

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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