Benchmark: jQuery 3.3.1 slim by id vs Document.getElementById

HTML Preparation code:

<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha256-3edrmyuQ0w65f8gfBsqowzjJe2iM6n0nKciPUp8y+7E=" crossorigin="anonymous"></script>
<div id="testElement"></div>

Tests:

jQuery
var el = $("#testElement")[0]; var className = el.className;
Vanilla JS
var el = document.getElementById('testElement'); var className = el.className;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
jQuery
Vanilla JS

Fastest: N/A

Slowest: N/A

Latest run results:

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Autogenerated LLM Summary (model gemma2:9b, generated one year ago):

LLMs can make mistakes. Check important info.

This benchmark tests the performance of retrieving an HTML element by its ID using two different methods: jQuery and vanilla JavaScript (built-in browser functionality).

**Options Compared:**

* **jQuery:** A popular JavaScript library that simplifies DOM manipulation, event handling, animation, and AJAX. Here, it's used with the `$("#testElement")` selector to get a reference to the element with the ID "testElement".  
    * **Pros:** Concise syntax, potential for additional functionalities provided by the library.
    * **Cons:** Adds an extra dependency (jQuery) to the project, potentially increasing load time and complexity.

* **Vanilla JS:** The native JavaScript methods `document.getElementById('testElement')` are used directly to access the element.  
    * **Pros:** No external dependencies, lighter weight, potentially faster in this specific scenario due to direct browser interaction.
    * **Cons:** Syntax can be more verbose than jQuery.

**Other Considerations:**

* **Scope:** The benchmark focuses solely on retrieving the element; it doesn't measure additional operations like manipulating its content or style. Real-world performance might differ based on these additional tasks.
* **Environment:** Browser variations and user hardware significantly impact execution speed.

**Alternatives:**

* Other JavaScript libraries (like React, Angular) that offer DOM manipulation features.
* CSS selectors within vanilla JS if targeting elements by class or attributes rather than ID.

Let me know if you have any more questions!

Related benchmarks:

jQuery 3.3.1 slim by id vs Document.getElementById (version: 0)

Comparing speed of getting element by id with jQuery vs Vanilla JS

Comparing performance of: jQuery vs Vanilla JS

Created: 7 years ago by: Guest

Jump to the latest result

jQuery

Vanilla JS

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model gemma2:9b, generated one year ago):