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Custom tag 2
(version: 0)
Comparing performance of:
Simple DOM 1 vs Simple DOM 2 vs Custom DOM
Created:
4 years ago
by:
Registered User
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HTML Preparation code:
<div id="ref"></div>
Script Preparation code:
var ref = document.getElementById('ref');
Tests:
Simple DOM 1
ref.insertAdjacentHTML('beforeend', '<div></div>'); ref.firstChild.remove();
Simple DOM 2
ref.insertAdjacentHTML('beforeend', '<span></span>'); ref.firstChild.remove();
Custom DOM
ref.insertAdjacentHTML('beforeend', '<custom-tag></custom-tag>'); ref.firstChild.remove();
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
Simple DOM 1
Simple DOM 2
Custom DOM
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to explain the benchmark and its options. **Benchmark Overview** The provided JSON represents a JavaScript microbenchmark on MeasureThat.net, which allows users to create and run custom benchmarks. The current benchmark is for three different DOM (Document Object Model) insertion methods: `insertAdjacentHTML` with a generic `div`, `span`, and a custom HTML tag (`<custom-tag>`). **Benchmark Definitions** The benchmark consists of two parts: 1. **Script Preparation Code**: This code snippet sets up the environment by retrieving an element with the ID "ref" using `document.getElementById('ref')`. The purpose is to provide a reference element for subsequent DOM manipulations. 2. **Html Preparation Code**: This code snippet creates the HTML structure to be inserted into the document. There are three variations: * `Simple DOM 1`: Inserts an empty `div` element before the end of the current node using `ref.insertAdjacentHTML('beforeend', '<div></div>')`. * `Simple DOM 2`: Inserts an empty `span` element before the end of the current node using `ref.insertAdjacentHTML('beforeend', '<span></span>')`. * `Custom DOM`: Inserts a custom HTML tag (`<custom-tag>`) before the end of the current node using `ref.insertAdjacentHTML('beforeend', '<custom-tag></custom-tag>')`. **Options Compared** The benchmark compares three different approaches: 1. **Simple DOM**: Using `insertAdjacentHTML` with a generic `div` or `span` element. 2. **Custom DOM**: Using `insertAdjacentHTML` with a custom HTML tag (`<custom-tag>`). **Pros and Cons of Each Approach** * **Simple DOM (Generic)**: + Pros: Simple to implement, easy to understand, and widely supported across browsers. + Cons: May not be optimized for specific use cases or performance-critical applications. * **Simple DOM (Span)**: + Pros: Similar to the generic `div` approach but with a slightly more efficient implementation due to the smaller element size. + Cons: Still a relatively simple and widely supported approach, may not offer significant performance advantages over the generic `div` method. * **Custom DOM (<custom-tag>)**: + Pros: Can be used for specific use cases that require custom HTML elements, such as adding vendor-prefixed prefixes or using non-standard tags. + Cons: May not be supported by all browsers, and its performance may vary depending on the browser's implementation. **Library Usage** None of the provided benchmark definitions rely on external libraries. However, it is worth noting that `insertAdjacentHTML` is a part of the HTML5 specification and has been widely adopted across modern browsers. **Special JavaScript Features/Syntax** The benchmark does not specifically target any special JavaScript features or syntax beyond what is commonly used in web development. The focus is on comparing different DOM insertion methods. **Alternatives** Other alternatives for microbenchmarking JavaScript performance might include: * V8 Benchmark Suite (for Node.js-specific optimizations) * CoffeeScript Benchmark (for exploring language-specific optimizations) * jsBench (a general-purpose benchmarking framework for JavaScript) Keep in mind that the choice of benchmarking tool or library often depends on the specific use case, target audience, and performance requirements.
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