Benchmark: createElement vs createTextNode

HTML Preparation code:

<label for="texto-tarefa">Descrição: </label>
<input type="text" id="texto-tarefa" class="texto-tarefa">
<ol id="lista-tarefas"></ol>

Tests:

createTextNode
const listaTarefasOl = document.querySelector('#lista-tarefas'); const textoTarefaInput = document.querySelector('#texto-tarefa'); const textoLi = document.createTextNode(textoTarefaInput.value); listaTarefasOl.appendChild(textoLi);
createElement
const listaTarefasOl = document.querySelector('#lista-tarefas'); const textoTarefaInput = document.querySelector('#texto-tarefa'); const listaTarefa = document.createElement('li'); listaTarefa.innerText = textoTarefaInput.value; listaTarefasOl.insertAdjacentElement('beforeend', listaTarefa);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
createTextNode
createElement

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks and explore what's being tested on this particular benchmark.

**Benchmark Definition**

The provided JSON represents a benchmark that aims to compare the performance of two approaches: creating an HTML element using `document.createElement()` versus creating a text node using `document.createTextNode()`.

**What is being compared?**

In the test cases, we see that the benchmark is comparing the execution time of:

1. Creating a text node (`createTextNode`) and appending it to an existing list item element.
2. Creating an HTML element (`createElement`) and setting its inner text to the input value, then inserting it before an existing list item element.

**Options compared**

The two options being compared are:

* **createTextNode**: This method creates a new text node in memory and returns it. The text content is stored in the node's `nodeValue` property.
* **createElement**: This method creates a new HTML element in memory and returns it. The element's properties, such as its `innerText` property, are set after creation.

**Pros and Cons**

Here's a brief summary of the pros and cons of each approach:

**createTextNode:**

Pros:

* Creates a text node that can be easily appended to an existing element.
* Can be more memory-efficient for small text content.

Cons:

* Requires accessing the `nodeValue` property, which may incur some overhead.
* May not work as expected if the input value is very large or contains special characters.

**createElement:**

Pros:

* Creates a full-fledged HTML element that can be styled and manipulated like any other element.
* Can be more convenient for complex DOM manipulations.

Cons:

* Requires creating an entire element with its own set of properties, which may incur more overhead.
* May lead to increased memory usage for large or complex elements.

**Other considerations**

When choosing between `createTextNode` and `createElement`, consider the following factors:

* **DOM manipulation**: If you need to perform complex DOM manipulations, `createElement` might be a better choice. However, if all you need to do is append text to an existing element, `createTextNode` could be sufficient.
* **Memory usage**: If memory efficiency is crucial, `createTextNode` might be the better option, especially for small text content.

**Library and special JS features**

Neither of these approaches relies on specific libraries or special JavaScript features. The benchmark uses standard DOM API methods (`document.createElement()` and `document.createTextNode()`) to compare performance.

**Other alternatives**

If you need to measure the performance of other approaches, such as:

* Using a templating engine (e.g., Handlebars)
* Creating elements using a library like jQuery
* Using web workers or other parallel execution contexts

Feel free to create new benchmark definitions on MeasureThat.net to explore these alternative scenarios!

Related benchmarks:

createElement vs createTextNode (version: 0)

Verifica o desempenho entre criar um elemento através da função creatElement() e a função createTextNode()

Comparing performance of: createTextNode vs createElement

Created: 5 years ago by: Guest

Jump to the latest result

createTextNode

createElement

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):