Benchmark: isEmpty Test - MeasureThat.net

HTML Preparation code:

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

Script Preparation code:

var array = [1, 2, 4, 7, 9, 6, 0];

Tests:

lodash test
var isEmp = _.isEmpty(arr)
JS function
var isEmp = array?.length === 0

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash test
JS function

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what's being tested, compared, and considered.

**Benchmark Overview**

The benchmark measures the performance of two approaches to check if an array is empty:

1. Using Lodash's `isEmpty` function.
2. Using a JavaScript function that checks the length of the array.

**Options Compared**

The benchmark compares the execution times of these two approaches:

* Lodash's `isEmpty` function
* A custom JavaScript function that uses the ternary operator to check if an array is empty by comparing its length to 0 (`array?.length === 0`).

**Pros and Cons of Each Approach**

1. **Lodash's `isEmpty` function**:
	* Pros: Concise and expressive, easy to read and maintain.
	* Cons: Adds external dependency (Lodash), which might not be desirable for all projects.
2. **Custom JavaScript function**:
	* Pros: No external dependencies, can be easily implemented in any project.
	* Cons: More verbose, requires manual handling of potential errors.

**Library Used**

The benchmark uses Lodash, a popular JavaScript library that provides various utility functions for tasks like string manipulation, array operations, and more. In this case, the `isEmpty` function is used to check if an array is empty.

**Special JS Features/Syntax**

No special JavaScript features or syntax are mentioned in the provided information. The benchmark uses standard JavaScript syntax and conventions.

**Other Considerations**

The benchmark assumes that the input arrays are not null or undefined, as Lodash's `isEmpty` function would return `false` for these cases. In a real-world scenario, it's essential to consider edge cases like this when writing performance-critical code.

**Alternatives**

If you prefer not to use Lodash or another library, you can implement the custom JavaScript function with additional error handling and checks for edge cases. Alternatively, you could use other libraries or frameworks that provide similar functionality, such as `Array.prototype.every` or `Boolean()` with a conditional expression.

Here's an example of how the custom JavaScript function could be implemented:
```javascript
function isEmpty(array) {
  if (array === null || array === undefined) {
    return true;
  }
  return array.length === 0;
}
```
Keep in mind that this implementation is less concise than Lodash's `isEmpty` function, but it provides more explicit error handling and avoids potential issues with external dependencies.

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36

Browser/OS: Chrome 105 on Windows

View result in a separate tab

Test name	Executions per second
lodash test	0.0 Ops/sec
JS function	16926042.0 Ops/sec

Related benchmarks:

isEmpty Test (version: 0)

compare between isEmpty from lodash and JS function

Comparing performance of: lodash test vs JS function

Created: 2 years ago by: Registered User

Jump to the latest result

lodash test

JS function

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):