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(version: 0)
Comparing performance of:
fragment vs inner
Created:
4 years ago
by:
Guest
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Tests:
fragment
const fragment = document.createDocumentFragment(); const el = document.createElement('div'); const heading = document.createElement('h1'); const para1 = document.createElement('p'); const para2 = document.createElement('p'); const button = document.createElement('button'); const para3 = document.createElement('p'); heading.innerText = 'Heading'; para1.innerText = 'Paragraph 1'; para2.innerText = 'Paragraph 2'; para3.innerText = 'Paragraph 3'; button.innerText = 'Button'; el.appendChild(para3) el.appendChild(heading); el.appendChild(para1); el.appendChild(para2); el.appendChild(button); fragment.appendChild(el); document.documentElement.appendChild(fragment);
inner
const el = document.createElement('div'); el.innerHTML = ` <h1>Heading</h1> <p>Paragraph 1</p> <p>Paragraph 2</p> <button>Button</button> <p>Paragraph 3</p> `; document.documentElement.appendChild(el);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
fragment
inner
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Benchmark Overview** MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The provided benchmark definition consists of two test cases: "fragment" and "inner". These test cases measure the performance difference between creating HTML elements using different methods. **Test Case 1: Fragment Method** The first test case, "fragment", tests the creation of an HTML fragment by appending individual elements to a document fragment. The script preparation code creates several DOM elements (heading, paragraph 1, paragraph 2, button, and paragraph 3) and appends them to the document fragment using the `appendChild` method. **Test Case 2: InnerHTML** The second test case, "inner", tests the use of HTML inner content to create a complete HTML element. The script preparation code creates an HTML string with the desired structure and assigns it to the `innerHTML` property of an empty DOM element. **Comparison of Options** There are two main approaches compared in these test cases: 1. **Fragment Method**: This method involves creating individual DOM elements and appending them to a document fragment, which is then appended to the document's body. 2. **InnerHTML**: This method involves creating a complete HTML string and assigning it to an empty DOM element using the `innerHTML` property. **Pros and Cons of Each Approach** **Fragment Method:** Pros: * Allows for more precise control over the structure of the HTML * Can be more efficient for complex layouts Cons: * Requires more code and complexity * May incur additional overhead due to the use of a document fragment **InnerHTML:** Pros: * Simplifies the creation process and reduces code size * Can be faster since it bypasses the DOM node creation process Cons: * Less control over the structure of the HTML * May lead to security issues if the input string is not sanitized **Library Used** In this benchmark, no libraries are explicitly mentioned. However, the use of `document.createDocumentFragment()` implies that modern browsers support this feature, which was introduced in HTML 5. **Special JS Features or Syntax** There are no special JavaScript features or syntax used in these test cases. The code is straightforward and follows standard DOM manipulation techniques. **Alternative Approaches** Other approaches to creating HTML elements include: 1. **DOM Manipulation**: Creating individual DOM nodes and appending them to the document body. 2. **Template Engines**: Using template engines like Handlebars, Mustache, or nunjucks to generate HTML templates. 3. **HTML Builders**: Using libraries like jQuery or React to build complex UI components. These alternatives may offer different performance characteristics, trade-offs in terms of code complexity and control, and potential security considerations.
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