Benchmark: Proxy cloneNode or vanila cloneNode

Tests:

Proxy cloneNode
const tags = new Proxy([ 'div', ].map(v => document.createElement(v)), { get(target, prop, receiver) { return Reflect.get(target, prop).cloneNode(); } }); let list = [], n = 0; while(true) { n++; list.push(tags[0]); if(n===100000) break; }
Vanila cloneNode
const tags = [ 'div', ].map(v => document.createElement(v)); let list = [], n = 0; while(true) { n++; list.push(tags[0].cloneNode()); if(n===100000) break; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Proxy cloneNode
Vanila cloneNode

Fastest: N/A

Slowest: N/A

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/89.0.4389.128 Safari/537.36

Browser/OS: Chrome 89 on Windows

View result in a separate tab

Test name	Executions per second
Proxy cloneNode	8.5 Ops/sec
Vanila cloneNode	20.8 Ops/sec

Autogenerated LLM Summary (model gemma2:9b, generated 2 months ago):

LLMs can make mistakes. Check important info.

This benchmark tests the performance of cloning DOM nodes in JavaScript using two different methods: a Proxy and vanilla `cloneNode()`.

**Options Compared:**

1. **`Proxy cloneNode()`**: This approach utilizes a Proxy object to intercept property access on an array of DOM elements (`div` in this case). When `cloneNode()` is accessed through the proxy, it returns a clone of the original node using `Reflect.get(target, prop).cloneNode()`.

2. **`Vanilla cloneNode()`**: This method directly calls `cloneNode()` on each individual DOM element within an array.

**Pros and Cons:**

* **Proxy cloneNode():**
    * **Potentially More Efficient:** The Proxy could optimize cloning operations if implemented efficiently, as it intercepts access and potentially performs the cloning in a more streamlined way. However, this is not guaranteed and depends on JavaScript engine optimizations.
    * **More Complex:** Using Proxies introduces additional complexity to the code.

* **Vanilla cloneNode():**
    * **Simpler:** More straightforward and easier to understand for beginners.
    * **Potentially Less Efficient:**  May involve more overhead compared to a well-optimized Proxy implementation.

**Benchmark Results Interpretation:**

The benchmark results indicate that the "Vanila cloneNode" approach is significantly faster (more than twice as fast) in this particular scenario.

**Alternatives:**

While this benchmark focuses on cloning individual elements, there are other alternatives for efficiently handling DOM manipulation:

* **DocumentFragment:** For cloning multiple elements and minimizing re-rendering, use a `DocumentFragment` to create the clones before appending them to the actual DOM.
* **Template Literals & Virtual DOM Libraries:**  For more complex scenarios involving dynamic content generation, consider using template literals with JavaScript templating engines or virtual DOM libraries like React or Vue.js. These provide efficient mechanisms for updating and manipulating the DOM.

Let me know if you'd like a deeper dive into any specific aspect!

Related benchmarks:

Proxy cloneNode or vanila cloneNode (version: 0)

Comparing performance of: Proxy cloneNode vs Vanila cloneNode

Created: 3 years ago by: Guest

Jump to the latest result

Proxy cloneNode

Vanila cloneNode

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gemma2:9b, generated 2 months ago):