Benchmark: includes vs find vs some

Script Preparation code:

var array = ['banana', 'sausage', 'jesus', 'apple', 'music', 'guitar', 'piano', 'drums', 'abacus', 'pencil']

Tests:

some
array.some((i) => i === 'sausage')
Includes
array.includes('sausage')
find
array.find(i => i === 'sausage')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
some
Includes
find

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36

Browser/OS: Chrome 86 on Mac OS X 10.13.3

View result in a separate tab

Test name	Executions per second
some	9006884.0 Ops/sec
Includes	9637099.0 Ops/sec
find	9060811.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and its options.

**Benchmark Definition JSON**

The `Name` field represents the name of the benchmark, which is "includes vs find vs some". The `Description` field provides a brief description of the benchmark, which in this case is just "Banana".

The `Script Preparation Code` defines an array variable named `array` containing various strings. This code is executed before running each test case.

**Individual Test Cases**

There are three test cases defined:

1. **some**: Tests the `Array.prototype.some()` method, which returns a boolean value indicating whether at least one element in the array satisfies the provided condition.
2. **Includes**: Tests the `Array.prototype.includes()` method, which returns a boolean value indicating whether an element with the specified value exists in the array.
3. **find**: Tests the `Array.prototype.find()` method, which returns the first element in the array that satisfies the provided condition or `undefined` if no such element is found.

**Library and Purpose**

None of these methods rely on a specific library. However, it's worth noting that the `Array.prototype.some()`, `Array.prototype.includes()`, and `Array.prototype.find()` methods are part of the standard JavaScript API.

**Special JS Features or Syntax**

None of these test cases use any special JavaScript features or syntax beyond what is considered standard for JavaScript.

**Options Compared**

The three options being compared are:

1. **some**: Iterates over the array, checks each element's condition, and returns a boolean value indicating whether at least one element satisfies the condition.
2. **Includes**: Uses a built-in method to check if an element exists in the array by its value.
3. **find**: Returns the first element that satisfies the provided condition, or `undefined` if no such element is found.

**Pros and Cons of Each Approach**

1. **some**:
	* Pros: Can be more efficient for larger arrays since it only checks each element once.
	* Cons: May not be as readable or intuitive for some developers, especially those familiar with languages that don't have this method (e.g., C++).
2. **Includes**:
	* Pros: Very readable and concise, making it a good choice for simple cases.
	* Cons: Can be slower than `some` for large arrays since it has to search the entire array to find a match.
3. **find**:
	* Pros: Returns the first matching element, which can be useful in certain scenarios.
	* Cons: May return `undefined`, which can lead to unexpected behavior if not handled properly.

**Other Considerations**

1. **Performance**: The order of execution affects performance. `some` and `includes` are generally faster than `find` since they don't require iterating over the entire array.
2. **Readability**: While `some` and `find` might be less readable for some developers, `includes` is often considered more readable due to its concise syntax.

**Alternatives**

1. **Array.prototype.reduce()**: Can be used instead of `some` or `find` in certain scenarios, but it may not always be the most efficient choice.
2. **Using a library or custom implementation**: Depending on the specific requirements and performance constraints, using a third-party library or implementing an optimized version of these methods might be necessary.

When choosing between these options, consider factors such as array size, performance requirements, readability, and the specific use case.

Related benchmarks:

includes vs find vs some (version: 0)

Banana

Comparing performance of: some vs Includes vs find

Created: 4 years ago by: Guest

Jump to the latest result

some

Includes

find

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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