Benchmark: find vs some vs every forkedyo

Script Preparation code:

window.myarray = [
  {id:1, name:'test'},
  {id:2, name:'test'},
  {id:3, name:'test'},
  {id:4, name:'test'},
  {id:5, name:'test'},
  {id:6, name:'test'},
  {id:7, name:'test'},
  {id:8, name:'test'},
  {id:9, name:'test'},
  {id:10, name:'test'},
];

Tests:

some
myarray.some(item => item.id === 10);
every
!myarray.every(item => item.id !== 10)
find
myarray.find(item => item.id === 10);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
some
every
find

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.

I'll break down the provided benchmark and explain what's being tested, the different approaches compared, their pros and cons, and other considerations.

**Benchmark Definition JSON**

The benchmark is testing three different methods to find an element with a specific property in an array:

1. `myarray.some(item => item.id === 10)`
2. `!myarray.every(item => item.id !== 10)` (note the negation)
3. `myarray.find(item => item.id === 10)`

**Script Preparation Code**

The script preparation code defines a JavaScript array `window.myarray` with 10 elements, each having an `id` property.

```javascript
window.myarray = [
    { id: 1, name: 'test' },
    { id: 2, name: 'test' },
    // ...
    { id: 10, name: 'test' }
];
```

**Html Preparation Code**

There is no HTML preparation code provided.

**Individual Test Cases**

Each test case has a unique benchmark definition and a corresponding "Test Name". These are:

1. `some`
2. `every`
3. `find`

**What's being tested?**

These three test cases are testing the performance of three different methods to find an element with a specific property in an array:

* `some`: Tests if any element in the array matches the condition.
* `every`: Tests if all elements in the array match the condition (note the negation).
* `find`: Tests if exactly one element in the array matches the condition.

**Approaches Compared**

The three approaches compared are:

1. `Array.prototype.some()` with a callback function
2. `!Array.prototype.every()` with a callback function (note the negation)
3. `Array.prototype.find()` with a callback function

**Pros and Cons of Each Approach**

Here's a brief summary:

* `some`:
	+ Pros: efficient, uses early exit strategy to stop iterating as soon as it finds a match.
	+ Cons: may not be suitable for all use cases (e.g., if the array is empty).
* `every`:
	+ Pros: guarantees that all elements are matched, which can be useful in certain situations.
	+ Cons: slower than `some`, uses more iterations to check all elements.
* `find`:
	+ Pros: efficient and simple, using early exit strategy like `some`.
	+ Cons: may not be suitable for all use cases (e.g., if the array is empty).

**Library Used**

None explicitly mentioned. However, JavaScript arrays have built-in methods for these operations.

**Special JS Features or Syntax**

No special features or syntax are used in this benchmark.

**Other Considerations**

This benchmark can help identify performance differences between these three approaches on different browsers and devices. It also highlights the importance of considering the trade-offs between efficiency and guarantees when choosing a method for array iteration.

**Alternatives**

If you want to test other approaches, consider:

1. Using `Array.prototype.includes()` instead of `some` or `find`.
2. Comparing performance with other methods like `forEach`, `map`, or `filter`.
3. Testing the impact of browser-specific features like WebAssembly or SIMD instructions.

Keep in mind that the results may vary depending on the specific use case, hardware, and software configurations.

Related benchmarks:

find vs some vs every forkedyo (version: 0)

Comparing performance of: some vs every vs find

Created: 6 years ago by: Guest

Jump to the latest result

some

every

find

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):