Benchmark: lodash isboolean vs typeof false

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>

Script Preparation code:

var x = false

Tests:

lodash
var y = _.isBoolean(x)
typeof
var y = (typeof(x) === 'boolean')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash
typeof

Fastest: N/A

Slowest: N/A

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/120.0.0.0 Safari/537.36

Browser/OS: Chrome 120 on Windows

View result in a separate tab

Test name	Executions per second
lodash	3587392.8 Ops/sec
typeof	10715345.0 Ops/sec

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

LLMs can make mistakes. Check important info.

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

**Benchmark Overview**

The benchmark compares two approaches to check if a value is a boolean in JavaScript:

1. Using Lodash (`_.isBoolean(x)`): This method checks if the input `x` is a boolean value using Lodash, a popular utility library for functional programming.
2. Using the built-in `typeof` operator (`(typeof(x) === 'boolean')`): This approach uses the `typeof` operator to check the type of the variable `x`.

**Comparison Options**

The benchmark compares these two options:

1. **Lodash (`_.isBoolean(x)`)**:
	* Pros: Lodash is a well-maintained, widely-used library that provides a simple and concise way to perform various operations on values.
	* Cons: It introduces an additional dependency (the Lodash library) and may not be suitable for smaller projects or those with limited resources.
2. **Built-in `typeof` operator (`(typeof(x) === 'boolean')`)**:
	* Pros: This approach is lightweight, as it only relies on the built-in JavaScript functionality.
	* Cons: It might not provide the same level of conciseness and readability as Lodash's solution.

**Other Considerations**

When choosing between these options, consider the following factors:

* **Performance**: The `typeof` operator should be faster than using Lodash since it doesn't incur the overhead of loading an external library.
* **Code Readability**: If you value simplicity and brevity, Lodash's solution might be more appealing. However, if readability is less important, the built-in `typeof` operator could be a better choice.
* **Maintainability**: Using Lodash introduces dependencies that may need to be managed or updated in the future.

**Library: Lodash**

Lodash (formerly underscore.js) is a popular JavaScript utility library developed by Isaac Schlueter and released under the MIT License. It provides a comprehensive set of functions for common tasks, such as:

* Array manipulation
* Object transformation
* Function composition
* Event handling

The `_.isBoolean(x)` function in particular checks if a value is a boolean (`true` or `false`) and returns a boolean result.

**Special JavaScript Feature/Syntax**

This benchmark does not use any special JavaScript features or syntax, so there's no additional explanation needed.

Related benchmarks:

lodash isboolean vs typeof false (version: 0)

Comparing performance of: lodash vs typeof

Created: 2 years ago by: Guest

Jump to the latest result

lodash

typeof

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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