Benchmark: fetch vs jquery.getJson

HTML Preparation code:

<script src='https://code.jquery.com/jquery-3.6.0.min.js'></script>

Tests:

jquery.getJson
$.getJSON("https://jsonplaceholder.typicode.com/posts", function(json){ console.log('getJSON call: ', json); });
fetch
fetch('https://jsonplaceholder.typicode.com/posts') .then(response => response.json()) .then(json => console.log(json))

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
jquery.getJson
fetch

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what is being tested.

**What is being tested:**
The benchmark is comparing two approaches to make an HTTP GET request in JavaScript: `fetch` API (introduced in ECMAScript 2015) and jQuery's `getJSON` method (a popular JavaScript library for simplifying Ajax requests).

**Options compared:**

1. **Fetch API**: This is a modern, browser-based API for making HTTP requests. It provides a more straightforward and efficient way to perform cross-origin resource accesses.
2. **jQuery's `$getJSON` method**: This is a part of the jQuery library, which is a widely-used JavaScript library for simplifying DOM manipulation and Ajax requests.

**Pros and Cons:**

* **Fetch API:**
	+ Pros:
		- Efficient and lightweight
		- Modern and widely supported (Chrome 128+)
		- Provides more control over the request process
	+ Cons:
		- May require additional setup or configuration for older browsers
		- Less familiar to developers who are not used to modern web APIs
* **jQuery's `$getJSON` method:**
	+ Pros:
		- Easy to use and understand, especially for developers who are already familiar with jQuery
		- Provides a simple and convenient way to make Ajax requests
	+ Cons:
		- Adds additional overhead due to the library's size and complexity
		- May not be as efficient or lightweight as the Fetch API

**Library:**
The `$.getJSON` method is part of the jQuery library, which provides a set of functions for simplifying DOM manipulation, Ajax requests, and other common web development tasks.

**Special JavaScript feature or syntax:**
Neither of the two options relies on any special JavaScript features or syntax that would require additional explanation. However, it's worth noting that the Fetch API does rely on modern browser support, which may not be available in all older browsers.

**Other alternatives:**
If you're looking for alternative ways to make HTTP requests in JavaScript, some other options include:

* `XMLHttpRequest` (a traditional, low-level way of making Ajax requests)
* Axios (a popular library for making HTTP requests that provides a simpler and more intuitive API than jQuery's `$getJSON` method)
* Node.js (which provides a way to make HTTP requests using the built-in `http` module or third-party libraries like Express)

In summary, this benchmark is designed to compare the performance of two approaches to making HTTP GET requests in JavaScript: the Fetch API and jQuery's `$getJSON` method. The results will help you understand which approach is more efficient and suitable for your use case.

Latest run results:

Run details: (Test run date: 14 days ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0

Browser/OS: Firefox 131 on Windows

View result in a separate tab

Test name	Executions per second
jquery.getJson	3239.8 Ops/sec
fetch	6236.0 Ops/sec

Related benchmarks:

fetch vs jquery.getJson (version: 0)

Comparing performance of: jquery.getJson vs fetch

Created: 10 months ago by: Guest

Jump to the latest result

jquery.getJson

fetch

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):