Benchmark: isEmpty vs Object.keys

HTML Preparation code:

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

Script Preparation code:

var obj = {a: 1, b: 2, c: 3}

Tests:

isEmpty
_.isEmpty(obj)
Object.keys
Object.keys(obj)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
isEmpty
Object.keys

Fastest: N/A

Slowest: N/A

Latest run results:

No previous 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 JSON and benchmark preparation code.

**Benchmark Definition**

The benchmark definition is represented by two test cases:

1. `_.isEmpty(obj)`
2. `Object.keys(obj)`

Both test cases are designed to measure the performance of JavaScript functions that check if an object is empty or not.

**Options being compared**

In this benchmark, we have two options being compared:

* `_.isEmpty(obj)` (using Lodash library)
* `Object.keys(obj)` (built-in JavaScript function)

**Pros and Cons of each approach:**

1. **Lodash _.isEmpty()**
	* Pros:
		+ Efficient implementation that uses a simple check to determine if an object is empty.
		+ Less likely to trigger garbage collection, resulting in better performance.
	* Cons:
		+ Requires the Lodash library to be loaded and executed before running the benchmark.
		+ May have a higher overhead due to the additional library dependency.
2. **Built-in JavaScript `Object.keys(obj)`**
	* Pros:
		+ No additional dependencies required, as it's a built-in function.
		+ Can be more intuitive for developers familiar with JavaScript and its ecosystem.
	* Cons:
		+ May trigger garbage collection, resulting in slower performance compared to the Lodash implementation.
		+ Can lead to higher CPU usage due to the need to iterate over the object's keys.

**Other considerations:**

* The benchmark is running on a desktop platform (Windows) with Chrome 111 as the browser.
* The `ExecutionsPerSecond` value indicates the average number of executions per second for each test case, which can be used to determine performance differences between the two options.
* The use of Lodash library and built-in JavaScript function may affect the results in different scenarios or environments.

**Library:**

The Lodash library is a popular JavaScript utility library that provides various functions for tasks like array manipulation, string handling, and more. In this benchmark, it's being used to implement the `_.isEmpty()` function, which checks if an object is empty by verifying its size using the `Object.keys()` function.

**Special JS feature or syntax:**

None mentioned in the provided information.

Related benchmarks:

isEmpty vs Object.keys (version: 0)

Comparing performance of: isEmpty vs Object.keys

Created: 5 years ago by: Guest

Jump to the latest result

isEmpty

Object.keys

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):