Benchmark: root.style.setProperty() vs <style>.textContent

HTML Preparation code:

<style type="text/css" id="style-el"></style>

Script Preparation code:

styleEl = document.getElementById("style-el");
root = document.documentElement;

Tests:

root.style.setProperty
let i = 0; while (i < 10000) { root.style.setProperty("color","red"); root.style.setProperty("border","1vmin solid red"); root.style.setProperty("padding","0.5vmin"); root.style.setProperty("background-color","black"); root.style.setProperty("height","1vh"); root.style.setProperty("width","1vw"); i++; }
styleEl.textContent
let i = 0; while (i < 10000) { styleEl.textContent = "color:red;border:1vmin solid red;padding:0.5vmin;background-color:black;height:1vh;width:1vw;"; i++; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
root.style.setProperty
styleEl.textContent

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 break down the provided benchmark JSON and explain what's being tested.

**Benchmark Definition**

The website `MeasureThat.net` allows users to create and run JavaScript microbenchmarks. The current benchmark definition is:

* "Name": "root.style.setProperty() vs <style>.textContent"
* "Description": null
* "Script Preparation Code": "styleEl = document.getElementById(\"style-el\");\r\nroot = document.documentElement;"
* "Html Preparation Code": "<style type=\"text/css\" id=\"style-el\"></style>"

This benchmark compares the performance of two approaches:

**Approach 1: `root.style.setProperty()`**

This approach sets multiple styles using the `setProperty()` method, one at a time. The `setProperty()` method is used to set the value of a CSS property on an element.

**Approach 2: `<style>.textContent`**

This approach sets all styles within a `<style>` block and uses the `textContent` property to apply those styles to an element.

Now, let's discuss the pros and cons of each approach:

* **Pros of `root.style.setProperty()`**:
	+ More explicit control over style setting
	+ Can be used in scenarios where multiple styles need to be set sequentially
* **Cons of `root.style.setProperty()`**:
	+ May incur additional overhead due to multiple method calls
	+ Less efficient than using a single `<style>` block for all styles
* **Pros of `<style>.textContent`**:
	+ More efficient, as it sets all styles in a single operation
	+ Simplifies style setting logic
* **Cons of `<style>.textContent`**:
	+ Less explicit control over style setting
	+ May require additional parsing and formatting to apply styles correctly

Regarding the libraries used in this benchmark:

None.

As for special JS features or syntax, none are mentioned explicitly. However, note that `1vmin` is used as a unit value in the benchmark definition. This is a CSS length unit equivalent to 1% of the viewport's minimum width (or height). It's likely used here for demonstration purposes only and may not be commonly used in real-world scenarios.

Other alternatives to these approaches include:

* Using the `CSSStyleDeclaration` interface directly, which provides more fine-grained control over style setting.
* Utilizing CSS-in-JS libraries like Emotion or Styled Components, which provide a more declarative way of styling components.
* Leveraging CSS preprocessors like Sass or Less, which offer additional features and flexibility for styling.

Keep in mind that the best approach depends on the specific use case, performance requirements, and personal preference. This benchmark aims to provide a basic comparison of two commonly used methods in JavaScript, making it accessible to developers with varying levels of expertise.

Related benchmarks:

root.style.setProperty() vs <style>.textContent (version: 0)

Comparing performance of: root.style.setProperty vs styleEl.textContent

Created: 3 years ago by: Guest

Jump to the latest result

root.style.setProperty

styleEl.textContent

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):