Benchmark: xcdfhgdfshb - MeasureThat.net

HTML Preparation code:


<button type="button" class="page-element"></button>
<nav class="paging">
	<button type="button" class="prev">
		<zoo-arrow-icon></zoo-arrow-icon>
	</button>
	<button type="button" class="next">
		<zoo-arrow-icon></zoo-arrow-icon>
	</button>
</nav>

Tests:

insertbefore
const pageNode = document.querySelector('button'); const prev = document.querySelector('.paging button'); prev.parentNode.insertBefore(pageNode, prev.nextSibling);
before
const pageNode = document.querySelector('button'); document.querySelector('.paging button').nextSibling.before(pageNode);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
insertbefore
before

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.

I'd be happy to explain the benchmark you provided.

**What is being tested?**

The benchmark tests two different approaches for inserting an HTML element into the DOM (Document Object Model). The two approaches are:

1. `insertBefore`: This method inserts the new element before a specified sibling element.
2. `before`: This method inserts the new element before all other elements in the DOM.

**Options compared**

The benchmark compares the performance of these two methods on Firefox 84, running on Windows Desktop.

**Pros and Cons of each approach**

* `insertBefore`:
	+ Pros: More intuitive and readable code, as it explicitly specifies the position where to insert the element.
	+ Cons: May be slower due to the need to search for the sibling element in the DOM.
* `before`:
	+ Pros: Can be faster, as it doesn't require searching for a specific sibling element.
	+ Cons: Less intuitive and readable code, as it implies inserting at the beginning of the DOM.

**Library usage**

The benchmark uses the `document.querySelector()` method to select elements in the DOM. This method is part of the Web API and is used extensively in web development to query elements based on their IDs or class names.

**Special JavaScript feature or syntax**

There are no special features or syntaxes mentioned in the benchmark. However, it's worth noting that modern browsers support various DOM manipulation APIs, such as `Element.insertBefore()` and `Element.before()`, which provide more efficient ways to insert elements into the DOM.

**Other alternatives**

If you were to implement this benchmark yourself, you could use other approaches, such as:

* Using `DOM manipulation libraries` like jQuery or React, which provide their own methods for inserting elements into the DOM.
* Implementing a custom insertion algorithm using recursion or iteration.
* Comparing the performance of different JavaScript engines or browsers.

Keep in mind that the specific implementation details may vary depending on your project's requirements and constraints.

Related benchmarks:

xcdfhgdfshb (version: 0)

Comparing performance of: insertbefore vs before

Created: 5 years ago by: Guest

Jump to the latest result

insertbefore

before

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):