Benchmark: Move Multiple Elements to another - Winners

HTML Preparation code:

<table class="old">
	<tbody>
		<tr>
			<td class="old-td">old-td 1</td><td class="old-td">old-td 2</td><td class="old-td">old-td 3</td><td class="old-td">old-td 4</td><td class="old-td">old-td 5</td><td class="old-td">old-td 6</td><td class="old-td">old-td 7</td><td class="old-td">old-td 8</td><td class="old-td">old-td 9</td><td class="old-td">old-td 10</td>
			<td class="old-td">old-td 11</td><td class="old-td">old-td 12</td><td class="old-td">old-td 13</td><td class="old-td">old-td 14</td><td class="old-td">old-td 15</td><td class="old-td">old-td 16</td><td class="old-td">old-td 17</td><td class="old-td">old-td 18</td><td class="old-td">old-td 19</td><td class="old-td">old-td 20</td>
			<td class="old-td">old-td 21</td><td class="old-td">old-td 22</td><td class="old-td">old-td 23</td><td class="old-td">old-td 24</td><td class="old-td">old-td 25</td><td class="old-td">old-td 26</td><td class="old-td">old-td 27</td><td class="old-td">old-td 28</td><td class="old-td">old-td 29</td><td class="old-td">old-td 30</td>
			<td class="old-td">old-td 31</td><td class="old-td">old-td 32</td><td class="old-td">old-td 33</td><td class="old-td">old-td 34</td><td class="old-td">old-td 35</td><td class="old-td">old-td 36</td><td class="old-td">old-td 37</td><td class="old-td">old-td 38</td><td class="old-td">old-td 39</td><td class="old-td">old-td 40</td>
			<td class="old-td">old-td 41</td>
			<td class="old-td">old-td 42</td>
			<td class="old-td">old-td 43</td>
			<td class="old-td">old-td 44</td>
			<td class="old-td">old-td 45</td>
			<td class="old-td">old-td 46</td>
			<td class="old-td">old-td 47</td>
			<td class="old-td">old-td 48</td>
			<td class="old-td">old-td 49</td>
			<td class="old-td">old-td 50</td>
		</tr>
	</tbody>
</table>

<table class="new">
	<tbody>
		<tr class="new-tr">
		</tr>
	</tbody>
</table>

Script Preparation code:

var table_td_arr = document.getElementsByClassName('old-td'),
    table_new_tr = document.getElementsByClassName('new-tr')[0];

Tests:

appendChild
for (var td_i = 0; td_i < table_td_arr.length; td_i++) { var table_td = table_td_arr[0]; table_new_tr.appendChild(table_td); }
insertAdjacentElement
for (var td_i = 0; td_i < table_td_arr.length; td_i++) { var table_td = table_td_arr[0]; table_new_tr.insertAdjacentElement('beforeend', table_td); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
appendChild
insertAdjacentElement

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

I'll break down the benchmark and explain what's being tested, compared options, pros and cons, and other considerations.

**Benchmark Overview**

The benchmark measures the performance of two approaches for moving multiple elements from one table (`table_td_arr`) to another table (`table_new_tr`): `appendChild` and `insertAdjacentElement`. The test is run on a JavaScript code snippet that prepares the HTML tables and contains a loop that moves each element from `table_td_arr` to `table_new_tr`.

**Options Compared**

Two options are compared:

1. **appendChild**: This method adds a child node to the end of an element.
2. **insertAdjacentElement('beforeend')**: This method inserts a new element before the content of its parent container.

**Pros and Cons**

**appendChild:**

Pros:

* Simple and straightforward implementation
* Well-supported by most browsers

Cons:

* May not be efficient for large datasets, as it involves creating multiple elements and appending them to the table row.
* Can lead to increased DOM size and complexity, potentially affecting performance.

**insertAdjacentElement('beforeend')**:

Pros:

* More efficient than `appendChild` since it only creates a single element and inserts it before the content of its parent container.
* Reduces DOM size and complexity compared to `appendChild`.

Cons:

* May not be supported by older browsers or those with limited DOM support.
* Can be slower due to the additional overhead of creating an element and inserting it into the DOM.

**Other Considerations**

* **DOM Size**: Both methods can impact DOM size, but `insertAdjacentElement('beforeend')` tends to reduce it more effectively.
* **Browser Support**: `appendChild` is generally supported by all modern browsers, while `insertAdjacentElement('beforeend')` may have issues with older or less-supported browsers.

**Library/Function**

In the provided benchmark code, no specific library is used beyond basic JavaScript functionality. However, if you were to use a third-party library for DOM manipulation, it's essential to consider its impact on performance and browser support.

**Special JS Feature/Syntax**

None of the tested approaches utilize special JavaScript features or syntax that would require additional explanation.

**Alternatives**

If you're looking for alternative methods to move elements between tables, consider:

1. Using a library like jQuery, which provides efficient DOM manipulation methods.
2. Implementing your own custom solution using techniques like cloning and appending elements individually.
3. Leveraging modern browser features, such as `Element.insertAdjacentText()` or `Element.createDocumentFragment()`, for more efficient DOM updates.

Keep in mind that the choice of approach ultimately depends on your specific use case, performance requirements, and desired level of complexity.

Related benchmarks:

Move Multiple Elements to another - Winners (version: 0)

Comparing performance of: appendChild vs insertAdjacentElement

Created: 6 years ago by: Registered User

Jump to the latest result

appendChild

insertAdjacentElement

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):