Benchmark: test attr perf - MeasureThat.net

HTML Preparation code:

<div id="foo" class="foo bar buz ignore" style="display:block" width="500" height="600" title="TEST" is-ignore="true" ignore></div>
<div id="bar" ignore></div>
<div id="buz" is-ignore="true"></div>
<div id="foobar" class="foo ignore"></div>

Script Preparation code:

a = {
    b: 'qwe',
    c: 'qww'
}

Tests:

getattr
var element = document.getElementById("foo"); var isIgnored = element.getAttribute('is-ignore') === "true";
getp
var test = a.b

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
getattr
getp

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/111.0

Browser/OS: Firefox 111 on Windows

View result in a separate tab

Test name	Executions per second
getattr	3881767.0 Ops/sec
getp	1742908928.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net.

**Benchmark Definition**

The benchmark definition provided is a JSON object that describes the test case. It consists of three main sections:

1. **Name and Description**: The name of the benchmark, which is "test attr perf". Unfortunately, there is no description provided.
2. **Script Preparation Code**: This section contains JavaScript code that sets up the variables used in the benchmark. In this case, it defines an object `a` with two properties: `b` and `c`.
3. **Html Preparation Code**: This section contains HTML code that creates a web page with multiple elements. These elements will be used to test the benchmark.

**Test Cases**

There are two individual test cases:

1. **getattr**: This test case retrieves an attribute from an element using the `getAttribute` method.
2. **getp**: This test case accesses a property of an object directly (i.e., without using the `getAttribute` method).

**Options Compared**

In this benchmark, two options are compared:

* Using `getAttribute` to retrieve an attribute from an element
* Directly accessing a property of an object

**Pros and Cons**

Here's a brief summary of the pros and cons of each approach:

1. **Using `getAttribute`:**
	* Pros:
		+ More flexible, as it allows for dynamic attribute names.
		+ Can be used to retrieve attributes that are not properties of the element.
	* Cons:
		+ May incur additional overhead due to the extra method call.
		+ May be slower than direct property access.
2. **Direct Property Access:**
	* Pros:
		+ Faster, as it eliminates the need for an extra method call.
		+ More efficient, as it directly accesses the desired property.
	* Cons:
		+ Limited to accessing properties that are present on the element.
		+ May not work with dynamic attribute names.

**Library and Purpose**

There is no library explicitly mentioned in the benchmark definition. However, the `getAttribute` method is a built-in JavaScript method that retrieves the value of an attribute from an element. It's likely that this method will be used by the browser to retrieve attributes from HTML elements.

**Special JS Feature or Syntax**

None are mentioned in this benchmark.

**Other Alternatives**

If you want to optimize your JavaScript code for performance, you may also consider using:

* **Cache optimization**: Many modern browsers have cache mechanisms that can improve performance. You can use caching techniques like memoization or use a caching library.
* **Minification and compression**: Minifying and compressing your JavaScript code can reduce the size of the file, which can lead to faster execution times.
* **Async programming**: Using async/await syntax or Promises can help improve concurrency and performance in certain scenarios.

Keep in mind that these are general suggestions, and the best approach will depend on the specific requirements of your project.

Related benchmarks:

test attr perf (version: 0)

Comparing performance of: getattr vs getp

Created: one year ago by: Guest

Jump to the latest result

getattr

getp

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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