Benchmark: Benchmark: Parent vs Closest

HTML Preparation code:

<div id="parent">
  <div id="child">
  </div>
</div>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Tests:

Parent
const parent = $('#child').parent();
Closest
const parent = $('#child').parent();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Parent
Closest

Fastest: N/A

Slowest: N/A

Latest run results:

No previous 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 the provided benchmark definition and test cases.

**Benchmark Definition Overview**

The benchmark measures which JavaScript method is faster: `parent()` (using jQuery) or `.closest()` (a native DOM method).

**Options Compared**

Two options are compared:

1. **`parent()`**: This method uses jQuery to find the parent element of a given selector. It's a convenient and widely used method, but it may have performance implications due to the overhead of using an external library.
2. **`.closest()`**: This is a native DOM method that finds the closest ancestor element matching a given selector. It's a built-in method for navigating the DOM tree, making it potentially faster than `parent()`, as it doesn't require external libraries.

**Pros and Cons**

*   **`parent()`**
    *   Pros:
        +   Widely supported by jQuery library
        +   May be more familiar to developers due to its widespread use
    *   Cons:
        +   Requires the jQuery library, which can add overhead
        +   May not perform as well for very deep DOM trees or complex selectors
*   **`.closest()`**
    *   Pros:
        +   Built-in method with no additional library dependencies
        +   Potentially faster performance due to reduced overhead
    *   Cons:
        +   Less familiar to developers without a strong background in DOM manipulation

**Library and Syntax**

The benchmark uses the jQuery library, which is a popular JavaScript library for simplifying DOM interactions. The `parent()` method is used in conjunction with jQuery.

No special JavaScript features or syntax are mentioned; both methods rely on standard JavaScript capabilities.

**Other Alternatives**

For finding parent elements without using jQuery, you can also consider:

*   Using the `parentNode` property directly: `const parent = document.getElementById('child').parentNode`
*   Using a library like React or Angular, which provide their own DOM manipulation APIs

Keep in mind that these alternatives may have different performance characteristics and are often more specialized than jQuery's `parent()` method.

The latest benchmark result shows Firefox 100 performing faster with the `.closest()` method. This suggests that for this specific test case, using the native DOM method provides a significant performance advantage over `parent()`.

Related benchmarks:

Benchmark: Parent vs Closest (version: 0)

which is fastest

Comparing performance of: Parent vs Closest

Created: 7 years ago by: Guest

Jump to the latest result

Parent

Closest

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):