Benchmark: SetMarginBox optimization, pass element around

HTML Preparation code:

<script type="text/javascript" src="https://publicstatic.tableausoftware.com/vizql/v_100001608191615/javascripts/mscorlib.js"></script>
<script type="text/javascript" src="https://dl.dropboxusercontent.com/u/2186277/vqlcore.debugw.js"></script>

<div id="testRoot">
  <span>1</span>
  <span>1</span>
  <span>1</span>
  <span>1</span>
  <span>1</span>
  <span>1</span>
  <span>1</span>
</div>

<div id="testRoot2">
  <span>1</span>
  <span>1</span>
  <span>1</span>
  <span>1</span>
  <span>1</span>
  <span>1</span>
  <span>1</span>
</div>

Script Preparation code:

var box = { l: 10, t: 20, w: 30, h: 40 };

Tests:

Test 1
tab.DomUtil.setMarginBoxJQ($("#testRoot"), box);
Optimized
tab.DomUtil.setMarginBoxJQ2($("#testRoot2"), box);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Test 1
Optimized

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

**Benchmark Explanation**

The provided benchmark is designed to measure the performance of two different approaches for setting the margin box of an HTML element using jQuery. The test cases are comparing the execution time of two JavaScript functions: `setMarginBoxJQ` and `setMarginBoxJQ2`.

**Options Compared**

The two options being compared are:

1. `tab.DomUtil.setMarginBoxJQ($(\"#testRoot\"), box);`
2. `tab.DomUtil.setMarginBoxJQ2($(\"#testRoot2\"), box);`

These functions seem to be part of a custom library or utility function, specifically designed for setting the margin box of an HTML element.

**Pros and Cons**

The choice between these two options depends on various factors:

1. **First Option (`setMarginBoxJQ`)**:
	* Pros: This approach uses jQuery's built-in methods to set the margin box, which might be more efficient and familiar for developers.
	* Cons: The performance difference is likely to be negligible compared to native JavaScript implementations.
2. **Second Option (`setMarginBoxJQ2`)**:
	* Pros: This implementation might be optimized for better performance, as indicated by the benchmark results.
	* Cons: Without knowing more about this custom library or function, it's hard to say whether it's a good choice. If it uses complex logic or unnecessary operations, it could lead to slower performance.

**Library and Purpose**

The `tab.DomUtil` library appears to be a custom utility library for working with DOM elements in jQuery. Its purpose is likely to provide additional functionality for manipulating the document object model (DOM).

Specifically, the `setMarginBoxJQ2` function might use a more efficient algorithm or technique to set the margin box, which could explain its better performance in the benchmark.

**Special JS Features or Syntax**

The benchmark doesn't seem to use any special JavaScript features or syntax that would require explanation. The code appears to be straightforward jQuery usage.

**Alternative Approaches**

If you're looking for alternative approaches to setting the margin box of an HTML element, here are a few options:

1. **Native JavaScript**: Use the `style` property directly on the DOM element, e.g., `element.style.marginTop = '10px';`.
2. **jQuery's `.css()` method**: Set CSS styles using jQuery's `.css()` method, e.g., `$('.test-root').css('margin-top', '10px');`.
3. **A library like DOMManipulator**: Use a dedicated library for manipulating the DOM, such as DOMManipulator, which provides more efficient and flexible methods for working with the DOM.

Keep in mind that these alternatives might have different performance characteristics or trade-offs compared to the custom `setMarginBoxJQ2` function.

Latest run results:

Run details: (Test run date: 8 years ago)

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko

Browser/OS: IE 11 on Windows 7

View result in a separate tab

Test name	Executions per second
Test 1	3171.7 Ops/sec
Optimized	41676.0 Ops/sec

Related benchmarks:

SetMarginBox optimization, pass element around (version: 0)

Comparing performance of: Test 1 vs Optimized

Created: 8 years ago by: Registered User

Jump to the latest result

Test 1

Optimized

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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