Benchmark: JS removeAttribute

HTML Preparation code:

<div id="test"/>

Script Preparation code:

const test = document.getElementById("test");

Tests:

removeAttribute
test.removeAttribute("data-hover");
setAttribute
test.setAttribute("data-hover", "1");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
removeAttribute
setAttribute

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 what's being tested in this JavaScript microbenchmark.

**What is being tested?**

MeasureThat.net is testing the performance of two different approaches for removing attributes from an HTML element: `removeAttribute` and `setAttribute`.

In more detail, each test case:

1. Creates a new HTML element (`<div>`) with an ID of "test" using JavaScript.
2. Sets an attribute on this element with the key "data-hover" and value "1" (for the first test case).
3. Removes the same attribute from the element.

The benchmark measures how many times each operation can be executed per second, with both operations being performed 100 million times in a row.

**Options compared**

There are two main approaches being tested:

1. `removeAttribute`: This method removes an attribute by name from an element. In this case, it's removing the "data-hover" attribute.
2. `setAttribute` (with subsequent `removeAttribute`): Although not directly related to attribute removal, setting and then immediately removing an attribute is often used to ensure that the attribute is properly removed.

**Pros and cons of each approach**

**RemoveAttribute:**

Pros:

* Simple and straightforward
* Does not require a separate step for attribute removal

Cons:

* May leave behind any associated data (e.g., event listeners, styles) attached to the element's `data-*` attributes.
* May not be as efficient in cases where the attribute is deeply nested within the element's DOM tree.

**SetAttribute + RemoveAttribute:**

Pros:

* Ensures that any associated data is properly removed from the element.
* Can be more efficient than using `removeAttribute` alone, especially for nested attributes.

Cons:

* Requires an additional step (setting the attribute), which can add overhead.
* May introduce unnecessary work when removing the attribute.

**Other considerations**

* The benchmark does not account for edge cases like:
	+ Removing an attribute that has already been removed.
	+ Handling multiple attribute removals in a single operation.
	+ Supporting older browsers that may have different or missing implementations of these methods.
* The use of `setAttribute` followed by `removeAttribute` is a common pattern in JavaScript, but it's essential to consider the performance implications and potential overhead.

**Library usage**

There are no notable libraries being used in this benchmark. However, some libraries like jQuery might be used in real-world applications for attribute manipulation, including removing attributes.

**Special JS feature or syntax**

None mentioned in this specific benchmark definition.

For more complex scenarios involving attribute manipulation, consider looking into libraries like jQuery, Lodash, or vanilla JavaScript approaches with techniques like DOM traversal and mutation.

Related benchmarks:

JS removeAttribute (version: 0)

Comparing performance of: removeAttribute vs setAttribute

Created: 5 years ago by: Guest

Jump to the latest result

removeAttribute

setAttribute

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):