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document.createDocumentFragment vs new DocumentFragment
(version: 0)
Comparing performance of:
new DocumentFragment() vs document.createDocumentFragment()
Created:
4 years ago
by:
Guest
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Tests:
new DocumentFragment()
new DocumentFragment()
document.createDocumentFragment()
document.createDocumentFragment();
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
new DocumentFragment()
document.createDocumentFragment()
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the benchmark and explain what's being tested. **What is being tested?** The provided JSON represents a microbenchmarking test case on MeasureThat.net, which compares the performance of two approaches: 1. Creating a new `DocumentFragment` instance using the `new` keyword (`new DocumentFragment()`). 2. Creating a new `DocumentFragment` instance by calling the `createDocumentFragment()` method on the `document` object. **Options being compared** The test case is comparing the execution speed of these two approaches: * `new DocumentFragment()`: This approach creates a new, empty `DocumentFragment` object. * `document.createDocumentFragment();`: This approach calls the `createDocumentFragment()` method on the `document` object to create a new, empty `DocumentFragment` object. **Pros and Cons of each approach** 1. **Creating a new `DocumentFragment` instance using `new` keyword (`new DocumentFragment()`)** * Pros: + More explicit and clear code + Easier to understand the intent of creating a new fragment * Cons: + May incur additional overhead due to object creation 2. **Calling `createDocumentFragment()` on the `document` object (`document.createDocumentFragment();`)** * Pros: + Less overhead compared to creating an instance using `new` * Cons: + Less explicit and clear code, which might lead to confusion **Other considerations** The test case does not consider other factors that might affect performance, such as: * The size of the document fragment being created * The complexity of the HTML document * Any additional DOM mutations or operations performed concurrently with creating the document fragment **Library and purpose** In this benchmarking test case, `DocumentFragment` is a built-in JavaScript object that allows for efficient creation and manipulation of fragments in the Document Object Model (DOM). It's commonly used for optimizing rendering performance by reducing the number of nodes in the DOM tree. **Special JS feature or syntax** There are no special features or syntax mentioned in this benchmarking test case. The code is straightforward and uses standard JavaScript constructs. **Alternatives** If you need to compare the performance of creating a new `DocumentFragment` instance, there might be other approaches, such as: * Using a library like DOMManipulation or DocumentFragmentUtils * Creating a custom wrapper class around `DocumentFragment` * Utilizing Web Workers or other parallel execution environments However, for a simple benchmarking test case like this one, the built-in JavaScript `DocumentFragment` object is likely sufficient.
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