Benchmark: Compare the new ES6 spread operator with Ramda assoc (v0.27.1)

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.27.1/ramda.js"></script>

Script Preparation code:

var params = { "a": 1, "b": 2 };

Tests:

spread operator
var result = { ...params, "c": 3 };
Ramda assoc
var result = R.assoc("c", 3, params);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
spread operator
Ramda assoc

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 break down the provided benchmark definition and test cases.

**Benchmark Definition**

The benchmark measures which approach is faster for creating an object using the ES6 spread operator (`{ ...params, "c": 3 }`) compared to Ramda's `assoc` function (`R.assoc("c", 3, params)`).

**Options Compared**

There are two approaches being compared:

1. **ES6 Spread Operator**: This method uses the new feature introduced in ECMAScript 2015 (ES6) for creating objects by spreading an existing object's properties and adding new ones.
2. **Ramda assoc**: Ramda is a functional programming library that provides various utility functions, including `assoc`, which creates a new object with the values from another object at specified keys.

**Pros and Cons**

* **ES6 Spread Operator**:
	+ Pros: Lightweight, simple, and widely supported by modern browsers.
	+ Cons: May not be as efficient or readable in certain scenarios due to its concise syntax.
* **Ramda assoc**:
	+ Pros: Provides a more explicit and predictable way of creating objects with values at specific keys.
	+ Cons: Requires the Ramda library, which may add unnecessary overhead for some use cases.

**Library and Purpose**

* **Ramda**: A functional programming library that provides various utility functions, including `assoc`, which creates a new object with values from another object at specified keys. Ramda is designed to provide a concise and expressive way of working with data in functional programming languages.

**Special JS Feature or Syntax**

None mentioned explicitly, but it's worth noting that the ES6 spread operator was introduced as part of the ECMAScript 2015 specification, which is a standard for JavaScript implementation.

**Alternative Approaches**

Other approaches to creating objects could include:

* Using `Object.assign()` and providing an additional object with new properties.
* Using template literals or string interpolation to create objects.
* Implementing a custom object creation function using arrays or other data structures.

However, these alternatives are not being compared in this benchmark, as the focus is specifically on the ES6 spread operator versus Ramda's `assoc` function.

Related benchmarks:

Compare the new ES6 spread operator with Ramda assoc (v0.27.1) (version: 0)

Comparing performance of: spread operator vs Ramda assoc

Created: 4 years ago by: Guest

Jump to the latest result

spread operator

Ramda assoc

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):