Benchmark: jQuery attr vs setAttribute

HTML Preparation code:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div id="el" class="test"></div>

Script Preparation code:

var $el = $("#el");
var el = $el.get(0);

Tests:

jQuery attr
$el.attr("test", 123);
setAttribute
el.setAttribute("test", 123);

Historical Performance Data aggregated from 10 community runs

Desktop Results:

Chrome 10 runs

setAttribute

2.8M/s

jQuery attr

1.8M/s

Fastest: setAttribute (1.6x faster)

View exact numbers

✓ setAttribute: 2,822,080 ops/sec
• jQuery attr: 1,807,912 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
jQuery attr
setAttribute

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 8 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:145.0) Gecko/20100101 Firefox/145.0

Browser/OS: Firefox 145 on Mac OS X 10.15

View result in a separate tab

setAttribute

16.4M/s

jQuery attr

5.9M/s

View exact numbers

Test name	Executions per second
✓ setAttribute	16,377,055 Ops/sec
jQuery attr	5,902,395 Ops/sec

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 definition and test cases.

**Benchmark Definition**

The benchmark defines two microbenchmarks: `jQuery attr` and `setAttribute`. Both tests aim to measure the performance of setting attributes on an HTML element.

**Script Preparation Code**

The script preparation code creates a jQuery object `$el` that references an HTML element with the ID "el". It then extracts the underlying DOM element from the jQuery object using the `get(0)` method. This is done to isolate the benchmarking process and focus on the attribute setting aspect.

**Html Preparation Code**

The HTML preparation code includes the necessary JavaScript library (jQuery) and a simple HTML structure with an empty `<div>` element, which will be used as the target for the benchmark.

**Test Cases**

There are two test cases:

1. **jQuery attr**: This test case uses jQuery's `attr()` method to set the "test" attribute of the DOM element to the value 123.
2. **setAttribute**: This test case uses the native `setAttribute()` method to set the "test" attribute of the DOM element to the value 123.

**Library: jQuery**

In this benchmark, jQuery is used as a library to provide its `attr()` method, which sets the attributes of an element. The library's purpose is to simplify DOM manipulation and provide additional functionality for HTML elements.

**JavaScript Features/Syntax**

None are explicitly mentioned in the provided code or benchmark definition.

Now, let's compare the two options:

1. **jQuery attr**: Using jQuery's `attr()` method has several pros:
	* Easier to use, especially if you're already familiar with jQuery.
	* Provides additional functionality and validation for attribute names and values.
However, it also has some cons:
	* Introduces an extra dependency on the jQuery library.
	* Might be slower due to the additional overhead of the jQuery framework.
2. **setAttribute**: Using the native `setAttribute()` method has several pros:
	* No dependency on external libraries, making it faster and more lightweight.
	* More direct control over the DOM manipulation process.

However, it also has some cons:

* Requires manual handling of attribute name and value validation.
	* Might be less convenient for developers who are not familiar with the native DOM API.

**Other Alternatives**

If you're looking to test the performance of setting attributes on an HTML element without using jQuery or a similar library, you could consider the following alternatives:

1. **DOM manipulation libraries**: Other JavaScript libraries like React, Angular, or Vue.js provide their own ways of handling attribute settings.
2. **Native DOM methods**: You can use native DOM methods like `element.setAttribute()` and `element.removeAttribute()`, which are part of the W3C specification.
3. **Benchmarking frameworks**: There are specialized benchmarking frameworks like WebPerformanceTest, BenchmarkJS, or PerfKit that provide a more robust way to measure performance and offer additional features for handling different test cases.

Keep in mind that the choice of alternative ultimately depends on your specific requirements, expertise, and testing goals.

jQuery attr vs setAttribute (version: 0) Benchmark.js

Comparing performance of: `jQuery attr vs setAttribute`

Created: 5 years ago by: Guest

Go to the latest result

jQuery attr

setAttribute

Historical Performance Data aggregated from 10 community runs

Desktop Results:

Chrome 10 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

jQuery attr vs setAttribute (version: 0) Benchmark.js

Comparing performance of: jQuery attr vs setAttribute

Created: 5 years ago by: Guest

Go to the latest result

jQuery attr

setAttribute

Historical Performance Data aggregated from 10 community runs

Desktop Results:

Chrome 10 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

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Comparing performance of: `jQuery attr vs setAttribute`