Benchmark: Test jqueryWrapperObject.find("#id") vs jquery("#id")

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
<div id="wrapper">
  <div id="control1"></div>
  <div id="control2"></div>
  <div id="control3"></div>
  <div id="control4"></div>
  <div id="control5"></div>
  <div id="control6"></div>  
</div>

Tests:

test jquery("#id")
$("#contorl1").text("New Hello World"); $("#contorl2").text("New Hello World"); $("#contorl3").text("New Hello World"); $("#contorl4").text("New Hello World"); $("#contorl5").text("New Hello World"); $("#contorl6").text("New Hello World");
test jqueryWrapperObject.find("#id")
var w = $("wrapper"); w.find("#contorl1").text("New Hello World"); w.find("#contorl2").text("New Hello World"); w.find("#contorl3").text("New Hello World"); w.find("#contorl4").text("New Hello World"); w.find("#contorl5").text("New Hello World"); w.find("#contorl6").text("New Hello World");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
test jquery("#id")
test jqueryWrapperObject.find("#id")

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36

Browser/OS: Chrome 77 on Windows

View result in a separate tab

Test name	Executions per second
test jquery("#id")	184444.6 Ops/sec
test jqueryWrapperObject.find("#id")	272881.2 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 benchmark and explain what's being tested, compared, and their pros and cons.

**Benchmark Overview**

The website MeasureThat.net allows users to create and run JavaScript microbenchmarks. The provided benchmark consists of two test cases:

1. `test jqueryWrapperObject.find("#id")`
2. `test jquery("#id")`

These tests compare the performance of two approaches: using the `$` function (jQuery wrapper object) and using the `find()` method directly on a jQuery object.

**Library: jQuery**

The `$` function is part of the jQuery library, which is used to simplify DOM manipulation and event handling. The jQuery library provides a convenient way to access and manipulate HTML elements, making it easier to write JavaScript code that interacts with the web page.

In this benchmark, jQuery is used as a wrapper object for the `$` function. This means that when using `jqueryWrapperObject.find("#id")`, the `$` function is accessed through the jQuery wrapper object.

**Approach Comparison**

The two test cases compare the performance of:

1. **`$` function (jQuery wrapper object)**: Using the `$` function as a wrapper object for the jQuery library.
2. **Direct `find()` method**: Using the `find()` method directly on a jQuery object.

**Pros and Cons**

Here's a brief summary of the pros and cons of each approach:

1. **`$` function (jQuery wrapper object)**:
	* Pros: Provides a more straightforward way to access DOM elements, as it's already wrapped in the jQuery context.
	* Cons: May introduce additional overhead due to the wrapper object itself.
2. **Direct `find()` method**:
	* Pros: Can be faster since there's no wrapper object overhead.
	* Cons: Requires more code and may require explicit jQuery setup.

In general, using the `$` function as a wrapper object can make code more readable and maintainable, but it may introduce performance overhead. Using the `find()` method directly on a jQuery object can be faster, but requires more code and expertise in jQuery's internal workings.

**Special JavaScript Feature/Syntax**

The benchmark doesn't use any special JavaScript features or syntax that would affect its outcome.

**Other Alternatives**

If you're looking for alternatives to these approaches, consider:

1. **Vanilla JavaScript**: Write DOM manipulation code using native JavaScript functions like `document.querySelector()` and `element.children`.
2. **React or Angular**: Use a frontend framework that abstracts away DOM manipulation and event handling, reducing the need for explicit jQuery usage.

Keep in mind that each approach has its own trade-offs, and the best choice depends on your specific use case, performance requirements, and personal preference.

Related benchmarks:

Test jqueryWrapperObject.find("#id") vs jquery("#id") (version: 1)

Comparing performance of: test jquery("#id") vs test jqueryWrapperObject.find("#id")

Created: 5 years ago by: Registered User

Jump to the latest result

test jquery("#id")

test jqueryWrapperObject.find("#id")

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):