Benchmark: toPairs, entries

HTML Preparation code:

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

Tests:

entries
const objecT = { a: "A", b: "B", c: "C" } const arraY = _.entries(objecT);
toPairs
const objecT = { a: "A", b: "B", c: "C" } const arraY = _.toPairs(objecT);
Pure Javascript
const objecT = { a: "A", b: "B", c: "C" } const arraY = Object.entries(objecT);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
entries
toPairs
Pure Javascript

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

I'll break down the benchmark and explain what's being tested, compared, and considered.

**Benchmark Overview**

The test measures the performance of three approaches to convert an object into an array of key-value pairs:

1. `_.toPairs` (using Lodash library)
2. `Object.entries` (pure JavaScript)

**Lodash Library**

Lodash is a popular JavaScript utility library that provides various functions for tasks like array manipulation, object transformation, and more. The `.toPairs` function in particular converts an object into an array of key-value pairs.

**Pure JavaScript Approach**

The pure JavaScript approach uses the `Object.entries()` method to convert an object into an array of key-value pairs.

**Comparison of Approaches**

Here's a brief comparison of the three approaches:

1. **_.toPairs (Lodash)**:
	* Pros: Typically faster and more efficient than pure JavaScript implementations, especially for large objects.
	* Cons: Requires including the Lodash library, which may add unnecessary overhead for some use cases.
2. **Object.entries (Pure JavaScript)**:
	* Pros: Fast, lightweight, and doesn't require any additional libraries.
	* Cons: May be slower than the Lodash approach for very large objects.

**Other Considerations**

When choosing between these approaches, consider the following:

* If you need to perform complex object transformations or manipulations, Lodash might be a better choice due to its comprehensive feature set.
* For simple key-value pair conversion, pure JavaScript might be sufficient and more efficient.

**Special JS Feature/Syntax (None)**

There are no special JavaScript features or syntax used in this benchmark that would require additional explanation.

**Other Alternatives**

If you're looking for alternative approaches to convert an object into an array of key-value pairs, consider:

1. `Object.keys()`: Returns an array of a given object's own enumerable property names.
2. `Array.prototype.map()` with `Object.keys()` and indexing: Converts an object into an array by mapping each property name to its corresponding value using the `Object.keys()` method.

Keep in mind that these alternatives might not be as efficient as the Lodash or pure JavaScript approaches, but they can be viable options for specific use cases.

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36

Browser/OS: Chrome 83 on Mac OS X 10.15.4

View result in a separate tab

Test name	Executions per second
entries	3308153.2 Ops/sec
toPairs	3503183.8 Ops/sec
Pure Javascript	4849924.0 Ops/sec

Related benchmarks:

toPairs, entries (version: 0)

lodash

Comparing performance of: entries vs toPairs vs Pure Javascript

Created: 4 years ago by: Guest

Jump to the latest result

entries

toPairs

Pure Javascript

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):