Benchmark: provaffdfd - MeasureThat.net

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Script Preparation code:


var x= [];
for (var i = 0; i<700;i++) {
  x.push(Math.random() * 1000);
}

Tests:

1
var a = Math.random()*1000; x.filter(function(b) { return a === b; })
2
var a = Math.random()*1000; $.grep(x, function(b) { return a === b; })

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1
2

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.

I'd be happy to help you understand what's being tested in this JavaScript microbenchmark.

**Benchmark Overview**

The benchmark is testing the performance of two different approaches for filtering an array in JavaScript: using the native `filter()` method and using jQuery's `$grep()` function.

**Options Compared**

There are only two options being compared:

1. **Native `filter()` method**: This approach uses the built-in `filter()` method to create a new array that includes only the elements that pass the test (in this case, an element with the same value as `a`).
2. **jQuery's `$grep()` function**: This approach uses jQuery's `$grep()` function to achieve the same result.

**Pros and Cons**

* **Native `filter()` method**:
	+ Pros: Native JavaScript, no external dependencies required.
	+ Cons: May have performance overhead due to the creation of a new array.
* **jQuery's `$grep()` function**:
	+ Pros: Can be faster in some cases due to optimized native code under the hood.
	+ Cons: Requires jQuery library to be included in the HTML file.

**Library Usage**

In this benchmark, the `$.` notation is used, indicating that jQuery is being used. The `$grep()` function is a part of jQuery's API for filtering arrays. By using jQuery, the author of the benchmark aims to isolate the performance impact of `$grep()` itself, rather than any other factors.

**Special JS Feature/Syntax**

There are no special JavaScript features or syntax being tested in this benchmark. The code uses standard JavaScript syntax and does not include any experimental features like async/await, let/catch, or destructuring.

**Other Alternatives**

In addition to the native `filter()` method and jQuery's `$grep()` function, there may be other alternatives for filtering arrays, such as:

* Using a custom loop and conditional statements
* Utilizing the `every()` method (which is not applicable in this case)
* Leveraging modern JavaScript features like `Array.prototype.forEach` with a callback function

It's worth noting that these alternative approaches might have different performance characteristics or require additional setup, so it's essential to consider specific use cases when choosing a filtering approach.

Related benchmarks:

provaffdfd (version: 0)

Comparing performance of: 1 vs 2

Created: 8 years ago by: Guest

Jump to the latest result

1

2

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):