Benchmark: test01 - MeasureThat.net

HTML Preparation code:

<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.1.0.min.js"></script>
<div id="testElement"></div>

Tests:

$document
$(document); $(document);
refactor
var p = $(document); p;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
$document
refactor

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

I'd be happy to help you understand the provided benchmark.

**What is being tested?**

The provided JSON represents a JavaScript microbenchmark on MeasureThat.net. The test measures the execution time of two different approaches for accessing the `document` object in JavaScript.

**Options compared:**

There are two options compared:

1. **Direct access**: The first test case, `$document`, accesses the `document` object directly using a dollar sign (`$`) prefix.
2. **Refactored code**: The second test case, `refactor`, uses a refactored version of the original code that assigns the result of `$(document)` to a variable `p`.

**Pros and Cons:**

* Direct access:
	+ Pros: Simple and concise syntax.
	+ Cons: May not be as efficient or readable for complex codebases.
* Refactored code:
	+ Pros: Can improve readability and maintainability, especially for more complex code.
	+ Cons: May introduce additional overhead due to variable assignment.

**Library and its purpose:**

The library used in the benchmark is jQuery (`$(document)`). The `$` symbol is an alias for the jQuery function, which allows you to access DOM elements by their ID or class. In this context, `$(document)` returns a reference to the `<html>` element of the document.

**Special JavaScript feature/syntax:**

There is no special JavaScript feature or syntax mentioned in this benchmark. However, it's worth noting that some older browsers may not support the `$` symbol as an alias for jQuery, and in those cases, the `$(document)` syntax would need to be used directly.

**Other alternatives:**

If you want to write a similar benchmark, you can use other libraries or approaches to access the `document` object. Some alternatives include:

* Using the `window.document` property instead of `$`
* Creating a custom function to return the document object (e.g., `function getDocument() { return window.document; }`)
* Using a different library that provides similar functionality, such as React or Angular

Keep in mind that these alternatives may change the execution time and performance characteristics of your benchmark.

Overall, this benchmark is designed to test the performance difference between accessing the `document` object directly versus using a refactored version with variable assignment. The results can help you understand how different approaches affect performance in JavaScript codebases.

Latest run results:

Run details: (Test run date: 8 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2896.3 Safari/537.36 OPR/43.0.2403.0 (Edition developer)

Browser/OS: Opera 43 on Windows

View result in a separate tab

Test name	Executions per second
$document	862945.2 Ops/sec
refactor	1695660.9 Ops/sec

Related benchmarks:

test01 (version: 0)

Comparing performance of: $document vs refactor

Created: 8 years ago by: Guest

Jump to the latest result

$document

refactor

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):