Benchmark: asd as fasdfsdf d

Script Preparation code:

var tml = document.createElement("DIV");
for(let i = 0; i < 100000; i++) {
 	tml.append(document.createElement("DIV")); 
}

Tests:

1
var x = document.createElement("DIV"); for(let i = 0; i < 100000; i++) { x.append(document.createElement("DIV")); }
2
var y = document.createElement("DIV"); y.append(tml.cloneNode(true));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1
2

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.

I'd be happy to help you understand the JavaScript microbenchmarks on MeasureThat.net.

**What is tested?**

The benchmark tests different approaches for creating and appending DOM elements (HTML elements) in JavaScript. The test cases are:

1. Creating a new `DIV` element and appending 100,000 child `DIV` elements (`Benchmark Definition`: `var x = document.createElement("DIV");\r\nfor(let i = 0; i < 100000; i++) {\r\n \tx.append(document.createElement("DIV")); \r\n}`)
2. Creating a new `DIV` element and cloning it, then appending 100,000 cloned child `DIV` elements (`Benchmark Definition`: `var y = document.createElement("DIV");\r\ny.append(tml.cloneNode(true));`)

**Options compared**

The benchmark compares the performance of two approaches:

1. **Direct creation and appending**: Creating a new DOM element and directly appending child elements to it.
2. **Cloning and appending**: Creating a new DOM element, cloning it, and then appending cloned child elements.

**Pros and cons of each approach**

**Direct creation and appending:**

Pros:

* Simple and straightforward implementation
* May be faster for small to medium-sized datasets

Cons:

* Can lead to performance issues when dealing with large datasets due to the overhead of creating and appending multiple elements.
* May cause memory leaks if not properly cleaned up.

**Cloning and appending:**

Pros:

* Avoids potential performance issues associated with direct creation and appending
* Allows for more efficient reuse of cloned elements

Cons:

* Requires cloning the element, which can be slower than direct creation and appending.
* May lead to increased memory usage due to the clone operation.

**Other considerations**

* **Document.createElement vs. var x = document.createElement("DIV");**: The `var` keyword is not necessary when declaring a new variable with `document.createElement`.
* **`append()` vs. `appendChild()`**: While both methods are available, `appendChild()` is generally considered a more modern and efficient way to append child elements.
* **`cloneNode(true)`**: This method clones the element and its children, including all their attributes. The `false` option would only clone the node without its children.

**Library usage**

There is no explicit library used in these benchmark test cases. However, MeasureThat.net itself uses a JavaScript framework or library to run the benchmarks and report the results.

**Special JS feature or syntax**

None of the provided benchmark definitions use any special JavaScript features or syntax.

Related benchmarks:

asd as fasdfsdf d (version: 0)

Comparing performance of: 1 vs 2

Created: 5 years ago by: Guest

Jump to the latest result

1

2

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):