Benchmark: Jquery remove VS removeChild

HTML Preparation code:

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</div>

Script Preparation code:


var el = document.getElementById('');

Tests:

Jquery remove
var elem = $( "#wrap .list-item" ); elem.remove();
removeChild
var elem = document.querySelectorAll('#wrap .list-item'); for( var i = 0; i < elem.length; i++ ){ elem[i].parentNode.removeChild(elem[i]); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Jquery remove
removeChild

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 28 days ago):

LLMs can make mistakes. Check important info.

**Benchmark Overview**

The provided JSON represents two JavaScript microbenchmarks, `Jquery remove` and `removeChild`, which compare the performance of removing elements from a DOM using jQuery's `remove()` method versus the `parentNode.removeChild()` method.

**Benchmark Definitions**

There are two benchmark definitions:

1. **Jquery remove**: This test case uses jQuery to select an element (`#wrap .list-item`) and then removes it.
```javascript
var elem = $( " #wrap .list-item" );
elem.remove();
```
2. **removeChild**: This test case uses the `document.querySelectorAll()` method to select all elements with the class `list-item` inside the `#wrap` element, loops through each element, and then removes it using `parentNode.removeChild()`.
```javascript
var elem = document.querySelectorAll('#wrap .list-item');
for( var i = 0; i < elem.length; i++ ) {
  elem[i].parentNode.removeChild(elem[i]);
}
```
**Latest Benchmark Results**

The latest results show that:

* The **removeChild** benchmark outperforms the **Jquery remove** benchmark by a significant margin, with an execution rate of 1853660.5 executions per second compared to 0.0 executions per second.
* The browser used is Opera 77 on a Windows Desktop.

**Performance Comparison**

The performance difference between these two methods can be attributed to the following factors:

* jQuery's `remove()` method is a wrapper around the DOM's `removeChild()` method, which creates a new event and triggers a reflow. This introduces additional overhead.
* The `parentNode.removeChild()` method is a native DOM method that only updates the parent node's child list, without triggering an event or reflow.

In general, using native DOM methods like `removeChild()` tends to be faster than relying on jQuery's wrappers, especially for simple removals. However, jQuery's convenience and ease of use often come at a performance cost.

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36 OPR/77.0.4054.172

Browser/OS: Opera 77 on Windows

View result in a separate tab

Test name	Executions per second
Jquery remove	0.0 Ops/sec
removeChild	1853660.5 Ops/sec

Related benchmarks:

Jquery remove VS removeChild (version: 0)

Jquery remove VS removeChild

Comparing performance of: Jquery remove vs removeChild

Created: 5 years ago by: Guest

Jump to the latest result

Jquery remove

removeChild

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 28 days ago):