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createElement vs createDocumentFragment fix
(version: 0)
Comparing performance of:
createElement vs createDocumentFragment
Created:
2 years ago
by:
Guest
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Script Preparation code:
document.body.innerHTML = "";
Tests:
createElement
var root = document.createElement("div"); for (var i = 0; i < 1000; i++) { var e = document.createElement("span"); e.innerText = i + " text"; root.appendChild(e); } document.body.appendChild(root);
createDocumentFragment
var frag = document.createDocumentFragment(); var root = document.createElement("div"); for (var i = 0; i < 1000; i++) { var e = document.createElement("span"); e.innerText = i + " text"; root.appendChild(e); } document.body.appendChild(frag);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
createElement
createDocumentFragment
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what is being tested. The test measures the performance difference between two approaches: creating an HTML element using `document.createElement` versus using `document.createDocumentFragment`. **Options being compared:** 1. **createElement**: This method creates a new HTML element, which can be appended to the DOM. 2. **createDocumentFragment**: This method creates a new document fragment, which is a container for multiple elements that don't have any visual representation. **Pros and Cons of each approach:** **createElement** Pros: * Can be used directly in the DOM * Elements created using this method are fully rendered and can be styled immediately Cons: * Appends an element to the DOM on every iteration, which can lead to slower performance for large datasets * Requires multiple DOM mutations (insertions or deletions) to achieve the desired layout **createDocumentFragment** Pros: * Reduces the number of DOM mutations required to render a large dataset * Elements within a fragment are not rendered until the entire fragment is appended to the DOM Cons: * Elements created using this method are not directly accessible in the DOM * Requires an additional step to append the fragment to the DOM, which can be slower for small datasets **Library and its purpose:** In both benchmark test cases, `document.createElement` and `createDocumentFragment` are native JavaScript methods that don't rely on any external libraries. **Special JS feature or syntax:** There is no special JavaScript feature or syntax being tested in this benchmark. The focus is solely on comparing the performance of two different DOM manipulation approaches. **Other alternatives:** If you were to optimize HTML rendering for a large dataset, other alternatives could include: * **Virtual DOM**: Implementing a virtual DOM that only updates when the actual DOM changes can significantly improve performance. * **Batching**: Grouping multiple DOM mutations together and executing them in batches can reduce the number of unnecessary reflows or repaints. * **Optimized DOM traversal**: Using optimized algorithms to traverse the DOM, such as using `querySelector` instead of `getElementById`, can reduce the time spent searching for elements. Keep in mind that these alternatives may introduce additional complexity and overhead, so it's essential to weigh the benefits against the trade-offs.
Related benchmarks:
createTextNode vs innerHTML vs innerText
createElement vs createDocumentFragment 1
createElement vs createDocumentFragment @oneook 2
createElement vs createDocumentFragment @oneook 3
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