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appendChild vs append
(version: 0)
Comparing performance of:
appendChild vs append
Created:
2 years ago
by:
Guest
Go to the latest result
HTML Preparation code:
<div id="A"></div> <div id="B">1234</div>
Tests:
appendChild
A.appendChild(B);
append
A.append(B);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
appendChild
append
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 months ago
)
User agent:
Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0
Browser/OS:
Firefox 115 on Windows 7
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<iframe src="https://measurethat.net/Embed?id=629158" width="100%" height="500px"></iframe>
append
19K/s
appendChild
18K/s
View exact numbers
Test name
Executions per second
✓
append
18,882 Ops/sec
appendChild
17,986 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down what's being tested in the provided JSON benchmark. **What is being tested?** The benchmark measures the performance difference between two methods: `appendChild` and `append`. Specifically, it tests how long it takes for these methods to add an HTML element with the text "1234" to a parent element (`div A`) in two different ways: 1. Using the `appendChild` method. 2. Using the `append` method. **Options being compared** The benchmark is comparing the performance of two specific JavaScript methods: * `appendChild`: adds a child element to the end of its parent container. * `append`: adds an HTML element to the end of a DOM node. **Pros and Cons** **AppendChild:** Pros: * More widely supported in older browsers, as it's been part of the DOM API since Netscape 4.x. * Can be used for more complex scenarios where multiple elements need to be added at once. Cons: * Generally slower than `append` due to its overhead. * May require additional configuration or modifications when working with older browsers. **Append:** Pros: * Typically faster than `appendChild`, especially in modern browsers. * Simplifies the process of adding HTML elements by providing a single, straightforward method. Cons: * May not be supported in all browsers (e.g., older versions of Internet Explorer). * Can lead to more complex code when working with multiple elements or scenarios. **Library usage** There is no explicit library mentioned in the benchmark definition. However, it's likely that the `div A` element and its child (`div B`) are part of a standard HTML structure. If other libraries or frameworks were used in the test code, they would need to be explicitly mentioned for accurate interpretation. **Special JS feature or syntax** The benchmark doesn't use any special JavaScript features or syntax beyond the two methods being compared: `appendChild` and `append`. There's no mention of ES6+ syntax, promises, async/await, or other advanced features. **Alternatives** Other alternatives for testing performance differences between DOM manipulation methods might include: * Using a virtual DOM library like React or Vue.js to compare rendering performance. * Employing a graph-based approach to visualize the execution paths and identify performance bottlenecks. * Utilizing a benchmarking framework specifically designed for JavaScript, such as BenchmarkJS or MicroBenchmark. Keep in mind that the specific use case and desired outcome will dictate the most suitable alternatives.
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JS: append vs appendChild
ParentNode.append() vs Node.appendChild() for adding a couple elements
appendChild vs append 2
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