Benchmark: lodash _sortedIndex vs native indexOf

HTML Preparation code:

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

Script Preparation code:


var arr = [];
for(let i = 0; i < 5000; i++){
arr.push(i)
}

Tests:

lodash sortedIndex
_.sortedIndex(arr, 569)
indexOf
arr.indexOf(569)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash sortedIndex
indexOf

Fastest: N/A

Slowest: N/A

Latest run results:

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

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

**Benchmark Overview**

The benchmark compares the performance of two JavaScript functions: `_.sortedIndex` from the Lodash library and the native `indexOf` function. The benchmark is designed to measure which approach performs better in terms of execution speed for a specific use case.

**Options Compared**

There are two options being compared:

1. **Lodash _.sortedIndex**: A function from the Lodash library that returns the index of the first element in an array that satisfies the provided condition.
2. **Native indexOf**: The built-in JavaScript function `indexOf` that searches for a specific value within an array and returns its index.

**Pros and Cons**

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

1. **Lodash _.sortedIndex**
	* Pros:
		+ Can handle more complex conditions, such as searching for a value that meets multiple criteria.
		+ May be easier to read and understand due to its concise syntax.
	* Cons:
		+ Requires the Lodash library to be included, which may introduce additional overhead.
		+ Might not perform well on large arrays due to the overhead of the library's functionality.
2. **Native indexOf**
	* Pros:
		+ Faster execution speed compared to _.sortedIndex, especially for smaller arrays.
		+ Does not require any additional libraries or overhead.
	* Cons:
		+ Only searches for a single value within an array; more complex conditions may be difficult to achieve.

**Library and Its Purpose**

The Lodash library is a popular utility library that provides a wide range of functional programming helpers, including _.sortedIndex. The library aims to simplify common tasks by providing concise and expressive functions that can be used to transform and manipulate data.

In this benchmark, the `_.sortedIndex` function is being tested to see how it compares to the native `indexOf` function in terms of performance.

**Special JS Feature or Syntax**

There are no special JavaScript features or syntaxes being tested in this benchmark. The code is straightforward and relies on standard JavaScript functions and data structures.

**Other Alternatives**

If you're looking for alternative approaches, here are a few options:

1. **Using Array.prototype.findIndex**: This method is similar to the native `indexOf` function but uses a more modern syntax.
2. **Using a custom implementation**: You could write your own custom implementation of either _.sortedIndex or indexOf using JavaScript's built-in functions and data structures.

Keep in mind that these alternatives might not provide the same level of performance as the native functions, especially for large arrays.

Related benchmarks:

lodash _sortedIndex vs native indexOf (version: 1)

Comparing performance of: lodash sortedIndex vs indexOf

Created: 4 years ago by: Registered User

Jump to the latest result

lodash sortedIndex

indexOf

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):