Benchmark: Immutable.JS keyseq + toarray vs object keys

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.2/immutable.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/immutability-helper@2.7.0/index.min.js"></script>

Script Preparation code:

window.obj = {}
window.objImmutable = Immutable.Map();

for(i=0;i<100;i++){
  const key = 'key'+i
  const value = 'value'+i
  window.obj[key] = value;
  window.objImmutable.set(key, value);
}

Tests:

Object.keys
let arr = Object.keys(window.obj);
ImmutableJS keySeq toArray
let arr = window.objImmutable.keySeq().toArray();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Object.keys
ImmutableJS keySeq toArray

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's dive into the benchmark.

**What is being tested?**

The provided JSON represents two test cases:

1. `Object.keys`: Measures how fast it can retrieve an array of keys from an object (`window.obj`).
2. `ImmutableJS keySeq toArray`: Compares how fast it can convert an immutable sequence (generated by `window.objImmutable.keySeq()`) to an array using the `toArray()` method.

**Options being compared**

In this benchmark, two options are being compared:

* **Object.keys**: A built-in JavaScript function that returns an array of keys from an object.
* **ImmutableJS keySeq toArray**: A method provided by the Immutable.js library, which converts an immutable sequence to an array.

**Pros and cons of each approach:**

1. **Object.keys**:
	* Pros:
		+ Fast and efficient.
		+ Native JavaScript function, no additional dependencies required.
		+ Works with most browsers and environments.
	* Cons:
		+ Can be slower for large objects due to the overhead of iterating over the keys.
		+ May not work as expected if the object is very large or has a complex structure.
2. **ImmutableJS keySeq toArray**:
	* Pros:
		+ Provides a more predictable and efficient way to convert an immutable sequence to an array.
		+ Works well with Immutable.js, which provides additional features for working with data structures.
	* Cons:
		+ Requires the Immutable.js library to be loaded, which may add extra overhead.
		+ May not work as expected if the underlying data structure is very complex or large.

**Library and its purpose**

In this benchmark, two libraries are used:

1. **Immutable.js**: A library for working with immutable data structures in JavaScript. It provides a way to create and manipulate data structures that cannot be changed once created.
2. **Immutability-helper**: A utility library that provides additional methods for working with Immutable.js data structures.

**Special JS feature or syntax**

This benchmark uses the following special features or syntax:

1. **Immutable sequences**: The `window.objImmutable.keySeq()` method generates an immutable sequence of keys from the underlying object.
2. **Native array conversion**: The `toArray()` method is used to convert the immutable sequence to a native JavaScript array.

**Other alternatives**

If you wanted to write a similar benchmark, you could consider using other approaches or libraries, such as:

1. Using other data structure libraries like Lodash or Ramda for converting between data structures.
2. Implementing your own custom method for retrieving keys from an object or converting an immutable sequence to an array.
3. Using native JavaScript methods like `for...in` or `for...of` loops for iterating over the keys in an object.

Keep in mind that these alternatives may have different performance characteristics, trade-offs, and use cases compared to the original benchmark.

Related benchmarks:

Immutable.JS keyseq + toarray vs object keys (version: 0)

Comparing performance of: Object.keys vs ImmutableJS keySeq toArray

Created: 3 years ago by: Registered User

Jump to the latest result

Object.keys

ImmutableJS keySeq toArray

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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