Benchmark: let createTextNode vs textContent vs innerText vs innerHTML

Script Preparation code:

var a = document.createElement('a');
var textNode = a.appendChild(document.createTextNode(''));

Tests:

createTextNode
textNode.data = 'text';
textContent
a.textContent = 'text';
innerText
a.innerText = 'text';
innerHTML
a.innerHTML = 'text';

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
createTextNode
textContent
innerText
innerHTML

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 benchmark and explain what's being tested, compared, and its implications.

**Benchmark Overview**

The benchmark is designed to compare the performance of four different ways to set text content on an HTML element: `createTextNode`, `textContent`, `innerText`, and `innerHTML`. The test case creates a new link element (`<a>`) and appends a `TextNode` (an empty string) to it using the `appendChild` method. Then, for each of the four options, it sets the text content of the `TextNode` or the inner HTML of the element.

**Options Compared**

1. **createTextNode**: This option uses the `document.createTextNode()` method to create a new `TextNode` object and appends it to the element using `appendChild`.
2. **textContent**: This option directly assigns a string value to the `textContent` property of the element.
3. **innerText**: Similar to `textContent`, this option assigns a string value to the `innerText` property of the element, which is specific to Internet Explorer.
4. **innerHTML**: This option sets the inner HTML of the element using the `innerHTML` property.

**Pros and Cons**

* **createTextNode**:
	+ Pros: This method avoids setting the text content of the element itself, as it would if we used `textContent` or `innerText`. It can be beneficial for performance-critical code.
	+ Cons: Creating a new `TextNode` object requires additional memory allocation and garbage collection.
* **textContent**:
	+ Pros: Simple and efficient way to set text content. Most modern browsers support this property.
	+ Cons: This method sets the text content of the element itself, which might not be desirable in some cases (e.g., when you want to preserve the original HTML structure).
* **innerText**:
	+ Pros: Supports Internet Explorer, where `textContent` is not supported. In some cases, it may provide better performance due to less overhead than `innerHTML`.
	+ Cons: Less widely supported than `textContent`. This property can lead to issues when working with other browsers.
* **innerHTML**:
	+ Pros: Simple and straightforward way to set the inner HTML of an element.
	+ Cons: Can be slower and more memory-intensive compared to other options, as it involves parsing and manipulating HTML.

**Libraries and Special JS Features**

None mentioned in the benchmark code.

**Considerations**

When choosing between these options, consider the following:

* If you're working with modern browsers that support `textContent` and `innerText`, those are likely good choices.
* If you need to support Internet Explorer or older browsers, use `innerHTML` with caution, as it can lead to issues with parsing and manipulating HTML.
* If performance is critical and you don't care about preserving the original HTML structure, consider using `createTextNode`.

**Alternatives**

Other alternatives for setting text content on an element include:

1. `outerHTML`: Sets the outer HTML of the element using the `outerHTML` property. This option can be slower than others due to its additional parsing and manipulation.
2. DOM manipulation: Instead of relying on built-in properties, you can use DOM methods like `createElementText()` (only in Safari) or `domImplementation.createText()` (in Node.js environments).

Keep in mind that the best approach depends on your specific requirements, browser support, and performance considerations.

For a more detailed analysis of the benchmark results, please consult the provided data.

Related benchmarks:

let createTextNode vs textContent vs innerText vs innerHTML (version: 0)

Comparing performance of: createTextNode vs textContent vs innerText vs innerHTML

Created: 5 years ago by: Guest

Jump to the latest result

createTextNode

textContent

innerText

innerHTML

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):