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createElement vs cloneNode ㅠ53152 3241412 v
(version: 0)
Faster way to create new dom elements before insertion
Comparing performance of:
createElement vs cloneNode
Created:
2 years ago
by:
Guest
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Tests:
createElement
var list = [], n = 0; while(true) { n++; var node = document.createElement('div'); node.setAttribute("class", "test"); node.innerText = "test"; list.push(node); if(n===10000) break; }
cloneNode
var list = [], n = 0, node = document.createElement('div'); node.setAttribute("class", "test"); node.innerText = "test"; while(true) { n++; var clone = node.cloneNode(true); node.setAttribute("class", "clone"); node.innerText = "clone"; list.push(clone); if(n===10000) break; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
createElement
cloneNode
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 JSON and explain what's being tested. **Benchmark Definition** The benchmark is designed to compare two approaches for creating new DOM elements: `createElement` and `cloneNode`. **What are we comparing?** * **createElement**: Creates a new DOM element from scratch, using the `document.createElement()` method. + Pros: - More control over the element's properties and attributes. - Can be more efficient for complex or custom elements. + Cons: - Requires additional code to set the element's properties and attributes manually. - May have performance overhead due to DOM node creation and manipulation. * **cloneNode**: Creates a copy of an existing DOM element, using the `node.cloneNode()` method. + Pros: - Less code required to create a new element (just clone the existing one). - Can be more efficient for simple elements or when the same element needs to be reused. + Cons: - Limited control over the cloned element's properties and attributes. - May have performance overhead due to DOM node cloning and manipulation. **Library used** In both test cases, the `document` object is used, which is part of the JavaScript DOM (Document Object Model). The `document.createElement()` method is a built-in JavaScript function that creates a new DOM element. **Special JS feature or syntax** There doesn't appear to be any special JavaScript features or syntax being tested in these benchmark cases. They are relatively straightforward and focused on comparing two specific approaches for creating new DOM elements. **Other alternatives** If you're interested in exploring other alternatives, here are a few options: * Using template literals or string concatenation to create HTML strings, which can be parsed by the browser's DOM parser. * Using a library like jQuery or a framework like React to manage DOM manipulation and creation. * Using a different DOM manipulation library or approach, such as Node.js's DOM-based APIs or a custom implementation. Keep in mind that these alternatives might not provide the same level of control or performance as the `createElement` and `cloneNode` methods.
Related benchmarks:
createElement vs cloneNode(false)
createElement vs cloneNode()
createElement vs cloneNode v3
createElement vs cloneNode vs cloneNode-lite
createElement vs deep cloneNode vs cloneNode
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