Benchmark: append - MeasureThat.net

HTML Preparation code:

<p style="color:green">This is a paragraph.</p>

Script Preparation code:

box1 = document.createElement("div");

box2 = document.createElement("div");
box2.innerHTML = '<button>click1</button><button>click2</button><button>click3</button><button>click4</button>';

Tests:

loop append
[...box2.children].forEach(child => box1.appendChild(child));
insertAdjacentHTML
box1.insertAdjacentHTML('beforeend', '<button>click1</button><button>click2</button><button>click3</button><button>click4</button>');
getBoundingClientRect
document.querySelector('p').getBoundingClientRect();
getComputedStyle
getComputedStyle(document.querySelector('p'));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
loop append
insertAdjacentHTML
getBoundingClientRect
getComputedStyle

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 dive into the world of JavaScript microbenchmarks on MeasureThat.net.

**What is tested?**

The provided JSON represents a benchmark test case, which consists of three individual tests:

1. `loop append`: This test measures the performance of appending children to an HTML element using a loop.
2. `insertAdjacentHTML`: This test measures the performance of inserting HTML content into an element using the `insertAdjacentHTML` method.
3. `getBoundingClientRect` and `getComputedStyle`: These two tests measure the performance of getting the bounding rectangle and computed style properties of an HTML element.

**Options compared**

In each test case, different approaches are compared to see which one performs better:

* In `loop append`, two approaches are compared: using a `forEach` loop and using `Array.prototype.forEach()` (a built-in method).
* In `insertAdjacentHTML`, two approaches are compared: using the `insertAdjacentHTML` method directly and using `innerHTML` property.
* In `getBoundingClientRect` and `getComputedStyle`, no explicit options are compared, but we can assume that these tests aim to measure the performance of getting these properties without any additional optimizations.

**Pros and cons**

Here's a brief analysis of each approach:

1. `loop append`:
	* Using `forEach`: Pros: concise, readable code; Cons: potential overhead due to method call.
	* Using `Array.prototype.forEach()`: Pros: potential performance boost due to optimized iteration; Cons: more verbose code.
2. `insertAdjacentHTML`:
	* Direct usage: Pros: simple, efficient; Cons: potential security risks if not sanitized properly.
	* Using `innerHTML`: Pros: widely supported, easy to use; Cons: potential performance issues and security concerns.
3. `getBoundingClientRect` and `getComputedStyle`:
	* No explicit options are compared, but these tests likely aim to measure the performance of getting these properties without any additional optimizations.

**Libraries and special JS features**

None of the tests use any external libraries, but we can observe some specific JavaScript features:

1. `Array.prototype.forEach()` is used in one test case.
2. The `insertAdjacentHTML` method is a modern web API introduced in HTML5.
3. No special ES6+ syntax or features are observed.

**Other alternatives**

If you wanted to measure the performance of these operations, you could also consider using other methods, such as:

1. Using a library like Benchmark.js or Fastest.js, which provide more advanced benchmarking capabilities and support for various optimization techniques.
2. Implementing custom microbenchmarks using a framework like BenchmarkKit.
3. Using a test harness like Jest or Mocha to write unit tests that measure performance.

Keep in mind that the choice of benchmarking tool or approach depends on your specific use case, requirements, and familiarity with JavaScript and web development.

Related benchmarks:

append (version: 9)

Comparing performance of: loop append vs insertAdjacentHTML vs getBoundingClientRect vs getComputedStyle

Created: 3 years ago by: Registered User

Jump to the latest result

loop append

insertAdjacentHTML

getBoundingClientRect

getComputedStyle

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):