Benchmark: lodash.keys vs Object.keys

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4.17.4/lodash.min.js"></script>

Script Preparation code:

batata = {a: 30310, b: 100303, c: 3040494}

Tests:

lodash.keys
_.keys(batata)
native
Object.keys(batata)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash.keys
native

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark JSON and explain what's being tested.

**Benchmark Overview**

The test compares two approaches to get an array of keys from an object:

1. `_.keys(batata)` using the Lodash library.
2. `Object.keys(batata)` (the native JavaScript method).

**Lodash Library**

The Lodash library is a popular utility library for JavaScript that provides a wide range of functions for tasks like array manipulation, object iteration, and more. In this case, `_.keys()` is used to get an array of keys from the `batata` object.

**Native JavaScript Method**

The native `Object.keys()` method in JavaScript returns an array of strings representing the property names of a given object.

**Comparison Options**

We have two options being compared:

1. **Lodash keys**: Uses the Lodash library to get the keys.
2. **Native Object.keys**: Uses the native JavaScript method to get the keys.

**Pros and Cons**

Here's a brief summary of the pros and cons of each approach:

* **Lodash Keys**
	+ Pros:
		- Faster performance (typically 10-20% faster)
		- Easier to use, especially for complex object iteration tasks
	+ Cons:
		- Requires including an additional library in your build process
		- May not be optimized for every browser or environment
* **Native Object.keys**
	+ Pros:
		- No additional library required
		- Often optimized for specific browsers and environments
	+ Cons:
		- Can be slower (typically 10-20% slower) due to the overhead of the native method

**Device-Specific Considerations**

The benchmark results show that both approaches have similar performance on this particular device (Chrome 62 on a Mac OS X 10.12.2). However, it's essential to consider device-specific factors like hardware acceleration, browser optimizations, and platform quirks when comparing performance.

**Other Alternatives**

If you're interested in exploring alternative methods or libraries for iterating over objects, here are some options:

* **For...in**: A built-in JavaScript loop that iterates over the properties of an object.
* **for...of**: A newer JavaScript feature that allows iterating over the values and keys of an iterable object (not directly applicable to objects).
* **Array.prototype.reduce()**: Can be used to iterate over an array of object keys, but may not be suitable for all use cases.

Keep in mind that performance differences between these alternatives will depend on your specific use case and environment.

Related benchmarks:

lodash.keys vs Object.keys (version: 0)

Comparing performance of: lodash.keys vs native

Created: 8 years ago by: Guest

Jump to the latest result

lodash.keys

native

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):