Benchmark: While loop vs Closest

HTML Preparation code:

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<style type="text/css">
.hidden {
display: none;
}
</style>
<div class="visible">
	<div class="hidden">
		<div class="hidden">
			<div class="hidden hidden-last"></div>
		</div>
	</div>
</div>

Script Preparation code:

var $element = $('.hidden-last');

Tests:

while
while ($element.is(":hidden")) { $element = $element.parent(); }
closest
$element = $element.closest(':visible')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
while
closest

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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 and explain what's being tested.

**Benchmark Definition**

The benchmark is defined by two test cases:

1. `while` loop
2. `closest` method (part of jQuery library)

The script preparation code includes loading the jQuery library, which provides the `$element` variable used in both test cases.

**Options Compared**

Two options are being compared:

a. **While Loop**: This approach uses a traditional `while` loop to iterate through the DOM elements until it finds the last visible one.
b. **Closest Method**: This approach uses jQuery's `closest` method to find the closest ancestor that matches the specified selector (`:visible` in this case).

**Pros and Cons**

**While Loop**

Pros:

* Simple and easy to understand
* Can be easily implemented without any external libraries

Cons:

* May not be as efficient as other methods, especially for large DOM elements
* Can lead to infinite loops if the condition is not properly checked

**Closest Method**

Pros:

* Fast and efficient, especially for large DOM elements
* Reduces the need for manual iteration through the DOM

Cons:

* Requires jQuery library, which may add extra overhead
* May not work correctly if the closest ancestor does not exist or if the selector is incorrect

**Library: jQuery**

The `closest` method is part of the jQuery library. jQuery is a popular JavaScript library that provides a set of APIs for working with DOM elements, event handling, and more. The `closest` method allows you to find the closest ancestor element that matches a specified selector.

**Special JS Feature/Syntax**

None are mentioned in this benchmark.

**Other Alternatives**

For this specific use case, the while loop approach is simple and easy to understand, but may not be as efficient as the `closest` method. The `closest` method, on the other hand, requires jQuery library, which adds extra overhead.

If you need a more efficient solution without relying on jQuery, you could consider using a library like `lodash` or writing your own custom implementation that uses the DOM's `querySelectorAll` and `closest` methods. Alternatively, you could also use a framework like React or Angular, which provide built-in support for working with DOM elements.

Keep in mind that the best approach depends on the specific requirements of your project, such as performance, code readability, and maintainability.

Related benchmarks:

While loop vs Closest (version: 0)

Comparing performance of: while vs closest

Created: 8 years ago by: Guest

Jump to the latest result

while

closest

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):