Benchmark: element.getAttribute("name") vs element.attributes.name.value with multiple attributes

HTML Preparation code:

<div>
  <div id="test" someattr="val" anotherattr="val2" anotherone="val3"></div>
</div>

Tests:

element.getAttribute("name")
const element = document.getElementById("test"); const some = element.getAttribute("someattr"); const another = element.getAttribute("anotherattr"); const anotherOne = element.getAttribute("anotherone");
element.attributes.name.value
const attributes = document.getElementById("test").attributes; const some = attributes.someattr.value; const another = attributes.anotherattr.value; const anotherOne = attributes.anotherone.value;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
element.getAttribute("name")
element.attributes.name.value

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.

**Overview**

The provided JSON represents a JavaScript microbenchmark on the MeasureThat.net website, which compares two approaches to retrieve an attribute value from an HTML element: `getAttribute()` and accessing attributes directly through the `attributes` property.

**Benchmark Definition**

The benchmark definition is a JSON object that contains metadata about the test:
```json
{
    "Name": "element.getAttribute(\"name\") vs element.attributes.name.value with multiple attributes",
    "Description": null,
    "Script Preparation Code": null,
    "Html Preparation Code": "<div>\r\n  <div id=\"test\" someattr=\"val\" anotherattr=\"val2\" anotherone=\"val3\"></div>\r\n</div>"
}
```
The `Html Preparation Code` defines the HTML structure for the test, which includes an element with multiple attributes.

**Individual Test Cases**

There are two individual test cases:
```json
[
    {
        "Benchmark Definition": "const element = document.getElementById(\"test\");\r\n\r\nconst some = element.getAttribute(\"someattr\");\r\nconst another = element.getAttribute(\"anotherattr\");\r\nconst anotherOne = element.getAttribute(\"anotherone\");",
        "Test Name": "element.getAttribute(\"name\")"
    },
    {
        "Benchmark Definition": "const attributes = document.getElementById(\"test\").attributes;\r\n\r\nconst some = attributes.someattr.value;\r\nconst another = attributes.anotherattr.value;\r\nconst anotherOne = attributes.anotherone.value;",
        "Test Name": "element.attributes.name.value"
    }
]
```
Each test case has a `Benchmark Definition` that describes the code to execute and retrieve the attribute values. The first test case uses `getAttribute()` to access each attribute, while the second test case accesses the attributes directly through the `attributes` property.

**Options Compared**

The two approaches compared are:

1. **`getAttribute()`**: This method retrieves an attribute value from an element by its name.
2. **Accessing attributes directly**: This approach accesses the attributes of an element using the `attributes` property, which returns a NamedNodeMap.

**Pros and Cons**

**`getAttribute()`**:

Pros:

* Wide compatibility across browsers
* Simple to use

Cons:

* Can be slower due to the method call overhead
* May not work well with complex attribute names or values

**Accessing attributes directly**:

Pros:

* Generally faster than `getAttribute()`
* More efficient for accessing multiple attributes simultaneously

Cons:

* Requires explicit access to the `attributes` property, which may require additional code changes
* Less compatible across browsers, as some older browsers do not support this approach

**Library and Special JS Feature**

There is no library or special JavaScript feature used in these test cases. The benchmark focuses on comparing two basic approaches to attribute retrieval.

**Other Alternatives**

If you wanted to modify the benchmark to compare additional approaches, you could consider adding more test cases that use:

* `getPropertyValue()` (similar to `getAttribute()`, but for computed properties)
* Using `Element.prototype.getAttribute()` with a prefix (e.g., `getComputedStyle(element).getPropertyValue('background-color')`)
* Accessing attributes through the `Window` object (e.g., `window.getComputedStyle(element).getPropertyValue('background-color')`)

Keep in mind that these alternatives might not be directly comparable to the original approaches, and you may need to adjust the benchmark accordingly.

Related benchmarks:

element.getAttribute("name") vs element.attributes.name.value with multiple attributes (version: 0)

Comparing performance of: element.getAttribute("name") vs element.attributes.name.value

Created: 3 years ago by: Guest

Jump to the latest result

element.getAttribute("name")

element.attributes.name.value

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):