Benchmark: Petuwok1 - MeasureThat.net

Tests:

1
const arr = [1,2,3] arr.push(4)
2
const arr = [1,2,3] const arr2 = [...arr, 4]

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1
2

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

I'll break down the explanation into smaller parts to make it easier to understand.

**What is tested on the provided JSON?**

The provided JSON represents a JavaScript microbenchmark test case created using MeasureThat.net. The benchmark tests two different approaches to pushing an element onto an array:

1. **Array.prototype.push()**: This is the traditional and most commonly used method for adding elements to the end of an array.
2. **Spread operator (...)**: This is a newer, more concise way to create a new array by spreading the contents of an existing array.

**Options compared**

The benchmark compares two options:

1. **Array.prototype.push()**: This is the traditional approach used in most JavaScript code.
	* Pros:
		+ Widely supported and well-established.
		+ Easy to understand and implement.
	* Cons:
		+ May be slower than other approaches due to its iterative nature.
2. **Spread operator (...)**: This is a newer, more concise way to create a new array by spreading the contents of an existing array.
	* Pros:
		+ More concise and expressive code.
		+ Can be faster in some cases due to its optimized implementation.

**Pros and Cons**

The choice between these two approaches depends on the specific use case and personal preference. Here are some general pros and cons:

* **Array.prototype.push()**:
	+ Pros: Well-established, easy to understand, and widely supported.
	+ Cons: May be slower due to its iterative nature.
* **Spread operator (...)**:
	+ Pros: More concise, expressive, and potentially faster in some cases.
	+ Cons: Newer syntax, may require additional browser support.

**Library usage**

None of the benchmark test cases use any external libraries. The test code is self-contained and does not rely on any third-party dependencies.

**Special JS features or syntax**

There are no special JavaScript features or syntax used in this benchmark. The code only uses standard JavaScript syntax and conventions.

**Other alternatives**

If you're looking for alternative approaches to push an element onto an array, here are a few options:

1. **Array.prototype.unshift()**: This method adds elements to the beginning of the array, rather than the end.
2. **Array.from()**: This method creates a new array from an iterable or an array-like object.
3. **For...of loop**: You can use a for-of loop to iterate over the elements of an array and push them onto another array.

Keep in mind that these alternatives may have different performance characteristics and may not be as widely supported as Array.prototype.push().

Related benchmarks:

Petuwok1 (version: 0)

Comparing performance of: 1 vs 2

Created: 6 years ago by: Guest

Jump to the latest result

1

2

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):