Benchmark: remove style - MeasureThat.net

HTML Preparation code:

<li class="foo"></li>
<li class="foo"></li>
<li class="foo"></li>
<li class="foo"></li>
<li class="foo"></li>

Tests:

check for style first
const quantityLabels = document.querySelectorAll('.foo') let i = quantityLabels.length while(i--) { if(quantityLabels[i].style) quantityLabels[i].removeAttribute('style') }
just remove style
const quantityLabels = document.querySelectorAll('.foo') let i = quantityLabels.length while(i--) { quantityLabels[i].removeAttribute('style') }
remove style
const quantityLabels = document.querySelectorAll('.foo') let i = quantityLabels.length while(i--) { quantityLabels[i].style = null }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
check for style first
just remove style
remove style

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

LLMs can make mistakes. Check important info.

**Benchmark Overview**

The provided benchmark, hosted on MeasureThat.net, compares the performance of three approaches to remove the `style` attribute from HTML elements with class `foo`. The benchmark consists of three test cases:

1. **"check for style first"**: This approach checks if an element has a `style` attribute before removing it.
2. **"just remove style"**: This approach directly removes the `style` attribute without checking if it exists.
3. **"remove style"**: This approach sets the `style` property to `null`, effectively removing it.

**Approach Comparison**

1. **"check for style first"**:
	* Pros: Can avoid unnecessary operations when the element does not have a `style` attribute, reducing overhead.
	* Cons: Requires an extra check and potentially slower due to the conditional statement.
2. **"just remove style"**:
	* Pros: Simpler and faster since it directly removes the attribute without checking if it exists.
	* Cons: Can result in unnecessary operations when the element does not have a `style` attribute, wasting CPU cycles.
3. **"remove style"**:
	* Pros: Sets the `style` property to `null`, which may be more efficient since it eliminates the need for future checks or removals.
	* Cons: Requires setting the property to `null`, which might incur additional overhead.

**Library and Special JS Features**

None of the benchmark test cases use a specific library. However, they do rely on standard JavaScript features:

1. **`document.querySelector()`**: Used to select elements with the specified class (`'.foo'`).
2. **`Array.prototype.forEach()` (or equivalent)**: Used in `while(i--) { ... }` loops to iterate over the selected elements.
3. **`if`, `else` statements**: Used for conditional checks.

**Other Alternatives**

Other approaches to remove the `style` attribute might include:

1. Using a library like jQuery, which provides a `$().attr('style', '')` method or equivalent.
2. Utilizing CSS-in-JS solutions like styled-components or emotion.js to handle styles programmatically.
3. Leveraging browser-specific APIs, such as WebAssembly's ` wasm_import_object` for accessing attributes.

Keep in mind that these alternatives might introduce additional dependencies, complexity, or performance overhead compared to the benchmarked approaches.

Related benchmarks:

remove style (version: 0)

faster to just remove style with removeAttribute('style') or check if first has style then remove

Comparing performance of: check for style first vs just remove style vs remove style

Created: 3 years ago by: Guest

Jump to the latest result

check for style first

just remove style

remove style

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):