Benchmark: test stuff - MeasureThat.net

HTML Preparation code:

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

Script Preparation code:

bookings = [{"id": "43743864712"}, {"id": "43743647132"}, {"id": "43743645712"}, {"id": "43743646712"}, {"id": "43743641712"}, {"id": "43743647212"}];
ids = "";

Tests:

map
bookings.map(function(booking) { return booking.id; }).join('@')
each
$(function(){ $.each(bookings, function (id, val) { ids += val.id + "@"; }); });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
map
each

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.

Let's break down the benchmark and its components.

**Benchmark Definition:**

The benchmark is defined by two individual test cases:

1. `map`: This test case measures the performance of the `map()` method in JavaScript, which applies a given function to each element of an array and returns a new array with the results.
2. `each`: This test case measures the performance of the `$.each()` method from the jQuery library, which iterates over an array or object and executes a specified function for each item.

**Options Compared:**

In this benchmark, two options are compared:

1. `map()`: The built-in JavaScript method that applies a function to each element of an array.
2. `$.each()` (jQuery): A library function from jQuery that iterates over an array or object and executes a specified function for each item.

**Pros and Cons:**

* **`map()`**: This is a native JavaScript method, which means it's built-in and doesn't require any external libraries.
	+ Pros:
		- No additional overhead due to library loading.
		- Typically faster execution times since it's a native function.
	+ Cons:
		- May not work in older browsers that don't support modern JavaScript features.
* **`$.each()` (jQuery)**: This is a library method from jQuery, which requires the jQuery library to be loaded.
	+ Pros:
		- Works in older browsers that don't support modern JavaScript features.
	+ Cons:
		- Adds extra overhead due to library loading and parsing.
		- May execute slower than native `map()` due to additional processing.

**Library Used:**

In this benchmark, the jQuery library is used for the `$.each()` test case. The purpose of jQuery is to provide a set of standardized and simplified methods for working with HTML documents, DOM elements, and event handling.

**Special JavaScript Features/Syntax:**

None mentioned in the provided code snippet.

**Alternative Approaches:**

Other alternatives could be explored, such as:

1. **`forEach()` (ECMAScript)**: This is a native JavaScript method that iterates over an array and executes a specified function for each item.
2. **Closures**: You could use closures to implement a custom loop, but this would likely result in slower execution times due to the overhead of creating and managing scope.
3. **Native loops (e.g., `for` loops)**: Using native loops can be faster than jQuery methods, but they require manual iteration over the array or object.

Keep in mind that these alternative approaches may not provide significant performance improvements over the built-in `map()` method for this specific use case.

**Benchmark Preparation Code and Data Generation:**

The provided benchmark preparation code generates a sample array of booking IDs and an empty string variable `ids` to serve as input for the test cases. This data is used to populate the arrays in the tests, allowing for accurate performance measurements.

Related benchmarks:

test stuff (version: 0)

Comparing performance of: map vs each

Created: 7 years ago by: Guest

Jump to the latest result

map

each

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):