Benchmark: Proxy cloneNode or vanila cloneNode or Reflect get

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; }
Reflect get
const tags = [ 'div', ].map(v => document.createElement(v)); let list = [], n = 0; while(true) { n++; list.push(Reflect.get(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
Reflect get

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and its test cases.

**Benchmark Definition**

The benchmark is defined by a JSON object that represents three different approaches to cloning elements in JavaScript: `Proxy`, `Vanila` (using the `cloneNode()` method directly), and `Reflect get`.

The options being compared are:

*   **Proxy**: Using a Proxy object to create an intermediate layer between the original element array and the cloned elements. The Proxy object's `get` trap is used to intercept the `cloneNode()` method and return a new clone.
*   **Vanila**: Using the `cloneNode()` method directly on the individual elements in the array.
*   **Reflect get**: Using the `Reflect.get()` function to retrieve the first element of the Proxy object and then calling its `cloneNode()` method.

**Pros and Cons**

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

*   **Proxy**:
    *   Pros: Can provide additional logic or transformation before cloning, allows for more control over the cloning process.
    *   Cons: May introduce additional overhead due to the Proxy object creation and manipulation.

*   **Vanila**:
    *   Pros: Simple and efficient, doesn't require creating an intermediate layer.
    *   Cons: Doesn't provide any additional logic or transformation before cloning.

*   **Reflect get**:
    *   Pros: Provides a simple way to retrieve the first element of the Proxy object without creating an unnecessary intermediate layer.
    *   Cons: Requires using the `Reflect.get()` function, which might be less familiar to some developers.

**Library and Special JS Features**

None of the test cases rely on any specific JavaScript libraries beyond the standard DOM API. However, they do utilize the following special JavaScript features:

*   **Proxy objects**: Used in the Proxy approach to create an intermediate layer between the original element array and the cloned elements.
*   **Reflect.get() function**: Used in the Reflect get approach to retrieve the first element of the Proxy object without creating an unnecessary intermediate layer.

**Other Alternatives**

If you were to implement a similar benchmark, some alternative approaches you could consider include:

*   Using `Array.prototype.map()` with a callback function that clones each element instead of using `cloneNode()`.
*   Utilizing `slice()` and `concat()` methods to create a new array containing cloned elements.
*   Leveraging modern JavaScript features like async/await, Promises, or Web Workers for more complex cloning operations.

Please note that the best approach will depend on your specific use case and performance requirements. Experimenting with different techniques can help you determine which method is most efficient for your particular application.

Related benchmarks:

Proxy cloneNode or vanila cloneNode or Reflect get (version: 0)

Comparing performance of: Proxy cloneNode vs Vanila cloneNode vs Reflect get

Created: 5 years ago by: Guest

Jump to the latest result

Proxy cloneNode

Vanila cloneNode

Reflect get

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):