Benchmark: JSS: append vs appendChild

HTML Preparation code:

<div id="container"></div>

Script Preparation code:

var container = document.getElementById("container");
var paragraph = document.createElement("p");

Tests:

append
container.append(paragraph, paragraph, paragraph);
appendChild
container.appendChild(paragraph); container.appendChild(paragraph); container.appendChild(paragraph);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
append
appendChild

Fastest: N/A

Slowest: N/A

Latest run results:

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

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Let's break down the provided benchmarking JSON and explain what is being tested.

**Benchmark Description**

The benchmark compares two approaches for appending elements to an HTML container:

1. `container.append(paragraph, paragraph, paragraph);` (Test Case: "append")
2. `container.appendChild(paragraph) + container.appendChild(paragraph) + container.appendChild(paragraph);` (Test Case: "appendChild")

**Options Compared**

The benchmark is testing two different approaches for appending elements to an HTML container:

1. **Method 1:** Using the `append()` method, which is a part of the DOM (Document Object Model). This method appends multiple arguments to the end of the container.
2. **Method 2:** Using the `appendChild()` method and concatenating three separate calls to it.

**Pros and Cons of Each Approach**

1. **`append()` Method:**
	* Pros:
		+ Efficient, as it appends elements in a single operation.
		+ May be faster due to reduced overhead of multiple function calls.
	* Cons:
		+ Not part of the DOM specification (it's a Chrome-specific extension).
		+ May not work in older browsers or environments that don't support this method.
2. **`appendChild()` Method:**
	* Pros:
		+ Widespread browser support, as it's part of the DOM specification.
		+ Well-established and widely tested.
	* Cons:
		+ Less efficient, as three separate calls to `appendChild()` are made, potentially leading to slower performance.

**Library/Functionality Used**

In this benchmark, we're using the following JavaScript functions:

1. `document.getElementById()`: Retrieves an element by its ID.
2. `document.createElement()`: Creates a new HTML element.
3. `container.append()`: A Chrome-specific extension that appends elements to the container.

**Special JS Feature/Syntax**

There is no special JavaScript feature or syntax used in this benchmark. However, it's worth noting that the use of `append()` and `appendChild()` methods may be non-standard and not part of mainstream JavaScript development.

**Alternatives**

Other approaches for appending elements to an HTML container include:

1. Using a library like jQuery, which provides its own implementation of the `append()` method.
2. Creating a custom loop or function to iterate over the elements to be appended.
3. Using other DOM methods, such as `insertAdjacentHTML()`.

Keep in mind that the choice of approach depends on your specific use case and requirements. The benchmark results provided by MeasureThat.net can help inform this decision.

Related benchmarks:

JSS: append vs appendChild (version: 0)

Comparing performance of: append vs appendChild

Created: 4 years ago by: Registered User

Jump to the latest result

append

appendChild

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):