Benchmark: JS every vs Ramda all

HTML Preparation code:

<script src="//cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js"></script>

Script Preparation code:

var users = [
  { 'user': 'joey',  'hasPet': true },
  { 'user': 'ross',    'hastPet': false },
  { 'user': 'chandler', 'hasPet': false },
  { 'user': 'monica',  'hasPet': true },
  { 'user': 'rachel',    'hastPet': false },
  { 'user': 'phoebe', 'hasPet': true }
]

Tests:

array every
users.every(u => u.hasPet)
all
R.all(u => u.hasPet)(users)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
array every
all

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser/OS: Chrome 128 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
array every	13655774.0 Ops/sec
all	3745393.0 Ops/sec

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

LLMs can make mistakes. Check important info.

**Benchmark Explanation**

MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The provided benchmark compares two approaches: using `Array.every()` and `Ramda.all()`. Both methods are designed to test whether all elements in an array meet a certain condition.

**Options Compared**

The two options compared are:

1. `Array.every()`: This is a built-in JavaScript method that returns `true` if all elements of an array pass the provided test, and `false` otherwise.
2. `Ramda.all()`: This is a function from the Ramda library (a popular functional programming library for JavaScript) that takes an array of functions as input and returns `true` if all functions return `true`, and `false` otherwise.

**Pros and Cons**

* `Array.every()`:
	+ Pros: Native JavaScript method, easy to use, and highly optimized.
	+ Cons: Can be slower than Ramda's implementation due to the overhead of checking every element in the array.
* `Ramda.all()`: 
	+ Pros: Often faster than `Array.every()` due to its internal optimizations and caching mechanism. It also provides a more elegant way to write the condition, making the code easier to read and maintain.
	+ Cons: Requires an additional library dependency (Ramda) and may have a steeper learning curve for developers unfamiliar with functional programming concepts.

**Library and Syntax**

In this benchmark, Ramda is used to provide its `all()` function. The `all()` function takes two arguments: the array of functions to apply and the initial value (usually an identity function). In this case, we pass the `users` array and a function that returns `true` for each element in the array.

**Special JavaScript Feature or Syntax**

There is no special JavaScript feature or syntax used in this benchmark. Both methods rely on standard JavaScript constructs and are language-agnostic.

**Other Alternatives**

If you want to implement your own implementation of `every()` or `all()`, you could use a simple loop to iterate over the array and check each element against the condition. However, using an existing library like Ramda provides additional benefits, such as:

* Optimizations: Libraries like Ramda have been optimized for performance and can provide faster execution times.
* Consistency: Using a standardized library ensures that your code is consistent with industry best practices.
* Maintainability: By leveraging a well-tested and well-documented library, you can focus on other aspects of your project rather than reinventing the wheel.

In conclusion, MeasureThat.net provides an excellent platform for comparing performance differences between `Array.every()` and `Ramda.all()`. The use of Ramda's `all()` function highlights its benefits in terms of performance and readability.

Related benchmarks:

JS every vs Ramda all (version: 0)

Comparing performance of: array every vs all

Created: 5 years ago by: Guest

Jump to the latest result

array every

all

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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