Benchmark: Some vs. includes, small array

Script Preparation code:

var hasZero = [];
for (var i = 0; i < 100; i++) {
  hasZero.push(Math.floor(Math.random() * 1000));
}

Tests:

some
var tempResult = hasZero.some(v => v === 0);
includes
var tempResult = hasZero.includes(0);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
some
includes

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's break down the provided JSON benchmark definition and test cases to understand what's being tested.

**Benchmark Definition**

The `Script Preparation Code` section defines an array `hasZero` containing 100 random integers between 0 and 1000. This array is used as input for the two test cases: `some` and `includes`.

**Test Cases**

There are only two test cases:

1. **some**: This test case uses the `some()` method to check if any element in the `hasZero` array is equal to 0. The callback function passed to `some()` checks if each element `v` is equal to 0.
2. **includes**: This test case uses the `includes()` method to check if the value 0 is present in the `hasZero` array.

**Options Compared**

The two options being compared are:

* `some()`: Checks if any element in the array meets a certain condition (in this case, equality with 0). It stops iterating as soon as it finds an element that matches the condition.
* `includes()`: Returns a boolean value indicating whether the specified value is present in the array. It iterates over the entire array to check for the presence of the value.

**Pros and Cons**

* **some():**
	+ Pros: Efficient, stops iterating once a match is found, can be faster for large arrays.
	+ Cons: May not be as readable or intuitive for developers unfamiliar with this method, requires checking the return value (true/false).
* `includes()`: 
	+ Pros: Readable and expressive, easy to understand for developers, doesn't require checking return values.
	+ Cons: May be slower than `some()` due to iterating over the entire array.

**Other Considerations**

Both methods have different performance characteristics. In general:

* When speed is critical, `some()` might be a better choice due to its efficiency.
* When readability and expressiveness are more important, `includes()` might be a better fit.

**Library/Feature Usage**

In this benchmark, no libraries or special JavaScript features are used beyond the standard array methods (`some()`, `includes()`). However, it's worth noting that some JavaScript engines (e.g., V8) have additional optimizations for certain array methods, which might affect performance in specific scenarios.

**Alternatives**

If you're looking to test other array methods or variations on these methods, consider the following alternatives:

* `every()`: Similar to `some()`, but checks if all elements meet the condition.
* `forEach()`: Executes a callback function for each element in the array, without returning a value (i.e., like `includes()`).
* `findIndex()`: Returns the index of the first element that meets the condition; otherwise, returns -1.

Keep in mind that these alternatives may affect performance and readability depending on the specific use case.

Related benchmarks:

Some vs. includes, small array (version: 0)

Comparing performance of: some vs includes

Created: 3 years ago by: Guest

Jump to the latest result

some

includes

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):