Benchmark: JQuery: find vs children

HTML Preparation code:

<a id="parent" >
  <span>Need span</span>
  <svg class="icon md-16 icon-shevron-right text-muted"></svg>
</a>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.js'></script>

Script Preparation code:

var $element = $("#parent");

Tests:

find with tag selector
$element.find("span");
children with tag selector
$element.children("span");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
find with tag selector
children with tag selector

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36

Browser/OS: Chrome 106 on Windows

View result in a separate tab

Test name	Executions per second
find with tag selector	1345283.1 Ops/sec
children with tag selector	912667.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided JSON benchmark data.

**Benchmark Definition**

The benchmark measures which method is faster to search for elements in an HTML document using jQuery. The test case uses the `find()` and `children()` methods with a tag selector (`"span"`). These two methods are used to find elements within a parent element that match a specific tag name.

**Options Compared**

Two options are compared:

1. `find()`: This method finds all elements within the context of the current DOM element that match the specified selector.
2. `children()`: This method returns an array-like object containing child nodes within the current DOM element that match the specified selector.

**Pros and Cons of Each Approach**

* `find()`:
	+ Pros: More versatile, can find elements by any selector (not just tag names), and allows for more complex selectors.
	+ Cons: May be slower due to the overhead of searching through the entire DOM tree.
* `children()`: 
	+ Pros: Faster, as it only searches within the immediate child nodes of the current element.
	+ Cons: Limited to finding elements by their position within the parent's children, and can't handle more complex selectors.

**Library**

The benchmark uses jQuery, a popular JavaScript library for DOM manipulation and event handling. Its purpose is to simplify the process of interacting with HTML documents and provide an easy-to-use API for tasks like element selection and manipulation.

**Special JS Feature or Syntax**

There doesn't appear to be any special JavaScript feature or syntax mentioned in the provided benchmark data that would require specific knowledge of the language.

**Other Alternatives**

If you need to compare the performance of similar methods in jQuery, other alternatives could include:

* `closest()` and `next()`: These methods can also find elements by their proximity to a specified ancestor element.
* `filter()`: This method can filter elements within an array-like object that match a specific condition.

It's worth noting that browser-specific optimizations or differences may affect the performance of these methods. The benchmark results provided may not be representative of all browsers or scenarios.

Keep in mind that this explanation is intended to provide a general understanding of the benchmark data, without requiring specialized knowledge of JavaScript or jQuery.

Related benchmarks:

JQuery: find vs children (version: 0)

Compare which method will quicker search result with tag selector

Comparing performance of: find with tag selector vs children with tag selector

Created: 4 years ago by: Guest

Jump to the latest result

find with tag selector

children with tag selector

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):