Benchmark: no name - MeasureThat.net

HTML Preparation code:

<div id="js-bottomBlock">
	<div class="alqs">
		<h3>Также ищут</h3>
		<ul class="alqs-col">
			<li class="alqs-item"></li>
		</ul>
	<nav>
		<div class="page-navig">
			<ul>
				<li></li>
			</ul>
		</div>
	</nav>
</div>

Tests:

1
var node = document.querySelectorAll("#js-bottomBlock > div"); for (let i = 0; i < node.length; i++) { node[i].innerHTML = ''; }
2
var node = document.querySelectorAll("#js-bottomBlock > div"); for (let i = 0; i < node.length; i++) { node[i].parentNode.removeChild(node[i]); }
3
var node = document.querySelectorAll("#js-bottomBlock > div"); for (let i = 0; i < node.length; i++) { node[i].innerHTML = ''; node[i].parentNode.removeChild(node[i]); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1
2
3

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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Autogenerated LLM Summary (model llama3.1:latest, generated one year ago):

LLMs can make mistakes. Check important info.

Let's dive into the details of this benchmark.

**Benchmark Overview**

The benchmark measures the performance of three different approaches to removing HTML elements from the DOM in JavaScript.

**Test Case 1: Removing HTML Content with InnerHTML**

* Benchmark Definition: `node[i].innerHTML = '';`
* This test case uses the `innerHTML` property to remove all content within a specific HTML element.
* The script selects an HTML element using `document.querySelectorAll("#js-bottomBlock > div")`, loops through each element, and sets its innerHTML to an empty string (`''`).

**Test Case 2: Removing HTML Element with RemoveChild**

* Benchmark Definition: `node[i].parentNode.removeChild(node[i]);`
* This test case uses the `removeChild()` method to remove a specific HTML element from its parent.
* The script selects an HTML element using `document.querySelectorAll("#js-bottomBlock > div")`, loops through each element, and removes it from its parent using `parentNode.removeChild()`.

**Test Case 3: Removing HTML Content and Element with InnerHTML and RemoveChild**

* Benchmark Definition: `node[i].innerHTML = ''; node[i].parentNode.removeChild(node[i]);`
* This test case combines the approaches of Test Cases 1 and 2. It sets the innerHTML to an empty string and then removes the element from its parent using `removeChild()`.

**Library Used**

None. The benchmark uses only built-in JavaScript methods and properties.

**JavaScript Feature or Syntax Used**

None specifically. However, the use of `let` instead of `var` in the test cases indicates that the tests are designed to run in an environment where ES6 syntax is supported.

**Pros and Cons of Different Approaches**

* **Test Case 1 (innerHTML):**
	+ Pros: Simple and concise code.
	+ Cons: May not work correctly if the element contains complex nested elements or attributes.
* **Test Case 2 (removeChild):**
	+ Pros: Removes the element from its parent, preserving any event listeners or behaviors attached to it.
	+ Cons: Requires access to the element's parent node.
* **Test Case 3 (innerHTML and removeChild):**
	+ Pros: Combines the benefits of both approaches, removing content and the element itself.
	+ Cons: May be slower than Test Case 2 due to the additional `innerHTML` assignment.

**Other Alternatives**

While not directly related to this benchmark, other alternatives for removing HTML elements include:

* Using a library like jQuery or a DOM manipulation library, which may provide more efficient and feature-rich methods for modifying the DOM.
* Utilizing CSS-based solutions, such as hiding an element using `display: none` instead of removing it from the DOM.

I hope this explanation helps you understand the benchmark!

Related benchmarks:

no name (version: 0)

Comparing performance of: 1 vs 2 vs 3

Created: 8 years ago by: Guest

Jump to the latest result

1

2

3

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.1:latest, generated one year ago):