Benchmark: JQuery: find vs selector vs scoped selector - Class

HTML Preparation code:

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

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

Script Preparation code:

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

 
var $element = $(".parent");

Tests:

find with "find"
$element.find(".child");
$element.find(".child");
find with selector and scope
$(".child", $element);
$(".child", $element);
find with selector
$(".child");
$(".child");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

Memory measurements supported only in Chrome.
For precise memory measurements Chrome must be launched with --enable-precise-memory-info flag.
More information: Monitoring JavaScript Memory

Test case name	Result
find with "find"
find with selector and scope
find with 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/102.0.5005.115 Safari/537.36

Browser/OS: Chrome 102 on Windows

View result in a separate tab

Test name	Executions per second
find with "find"	746905.8 Ops/sec
find with selector and scope	597162.9 Ops/sec
find with selector	611574.8 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated 4 months ago):

Let's dive into the explanation of this JavaScript microbenchmark.

Benchmark Purpose

The benchmark tests three different ways to select an element using jQuery:

find() method
CSS selector (e.g., $(".child"))
Scoped selector with jQuery's $() function (e.g., $(".child", $element))

Options Compared

The benchmark compares the performance of each option, measuring how many executions per second they can handle.

Pros and Cons

find() method: This method traverses the DOM tree from the current element to find the target element. It's useful when you need to search for an element within a larger container.
- Pros: Fast and efficient, especially when searching within a specific scope.
- Cons: Can be slower than other methods for simple searches, as it involves traversing the DOM tree.
CSS selector: This method uses the querySelectorAll() function to select elements that match the specified CSS selector. It's fast and efficient, but can be slower if the selection is too complex.
- Pros: Fast and efficient, especially for simple selectors.
- Cons: Can be slower for complex or nested selectors.
Scoped selector with $() function: This method uses the $() function to create a new jQuery object, which allows you to search within a specific scope (e.g., $(".child", $element)). It's useful when you need to select elements within a larger container.
- Pros: Fast and efficient, especially for simple searches within a specific scope.
- Cons: Can be slower than find() method if searching within a large DOM tree.

Library and Purpose

The benchmark uses jQuery, which is a popular JavaScript library for DOM manipulation and event handling. The $() function is the primary entry point for interacting with the DOM using jQuery.

Special JS Features or Syntax

This benchmark does not use any special JavaScript features or syntax that are specific to modern browsers (e.g., async/await, Promises, Web Workers). However, it's worth noting that some of these features may affect performance in certain scenarios.

In summary, this benchmark provides a simple yet informative comparison of three jQuery methods for selecting elements: find(), CSS selector, and scoped selector with $() function.

LLMs can make mistakes. Check important info.

Let's dive into the explanation of this JavaScript microbenchmark.

**Benchmark Purpose**

The benchmark tests three different ways to select an element using jQuery:

1. `find()` method
2. CSS selector (e.g., `$(".child")`)
3. Scoped selector with jQuery's `$()` function (e.g., `$(".child", $element)`)

**Options Compared**

The benchmark compares the performance of each option, measuring how many executions per second they can handle.

**Pros and Cons**

1. **`find()` method**: This method traverses the DOM tree from the current element to find the target element. It's useful when you need to search for an element within a larger container.
	* Pros: Fast and efficient, especially when searching within a specific scope.
	* Cons: Can be slower than other methods for simple searches, as it involves traversing the DOM tree.
2. **CSS selector**: This method uses the `querySelectorAll()` function to select elements that match the specified CSS selector. It's fast and efficient, but can be slower if the selection is too complex.
	* Pros: Fast and efficient, especially for simple selectors.
	* Cons: Can be slower for complex or nested selectors.
3. **Scoped selector with `$()` function**: This method uses the `$()` function to create a new jQuery object, which allows you to search within a specific scope (e.g., `$(".child", $element)`). It's useful when you need to select elements within a larger container.
	* Pros: Fast and efficient, especially for simple searches within a specific scope.
	* Cons: Can be slower than `find()` method if searching within a large DOM tree.

**Library and Purpose**

The benchmark uses jQuery, which is a popular JavaScript library for DOM manipulation and event handling. The `$()` function is the primary entry point for interacting with the DOM using jQuery.

**Special JS Features or Syntax**

In summary, this benchmark provides a simple yet informative comparison of three jQuery methods for selecting elements: `find()`, CSS selector, and scoped selector with `$()` function.

Related benchmarks:

JQuery: find vs selector vs scoped selector - Class (version: 0)

Test which solution find quicker element

Comparing performance of: find with "find" vs find with selector and scope vs find with selector

Created: 2 years ago by: Guest

Jump to the latest result

find with "find"

find with selector and scope

find with selector

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 4 months ago):