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createelement vs clone true
(version: 0)
Comparing performance of:
create vs clone
Created:
7 years ago
by:
Guest
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Tests:
create
var a1 = document.createElement('a'); var a2 = document.createElement('a'); var a3 = document.createElement('a');
clone
var a1 = document.createElement('a'); var a2 = a1.cloneNode(true); var a3 = a1.cloneNode(true);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
create
clone
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the benchmark and explain what's being tested. **Benchmark Overview** The benchmark compares two approaches to create or clone an HTML element: `createElement` vs `cloneNode(true)`. The goal is to measure which approach is faster on modern browsers. **Options Being Compared** 1. **`createElement`**: Creates a new HTML element from scratch. 2. **`cloneNode(true)`**: Clones the given element, including its attributes and children, and returns the cloned node. **Pros and Cons of Each Approach** * `createElement`: + Pros: Can be faster for simple elements or when creating multiple elements with similar attributes. + Cons: Requires more overhead to create a new element from scratch, which can lead to slower performance for complex elements. * `cloneNode(true)`: + Pros: Can be faster for complex elements or when creating multiple clones of the same element. + Cons: Requires more memory and processing power to clone the entire element tree, including attributes and children. **Library Used (if any)** None of the test cases use a specific library. The `createElement` and `cloneNode` methods are built-in DOM API functions. **Special JS Features or Syntax** The benchmark does not mention any special JavaScript features or syntax. It only uses standard JavaScript syntax to define the test cases. **Alternative Approaches** Other approaches to create or clone HTML elements include: 1. **`innerHTML`**: Sets the HTML content of an element using the `innerHTML` property. 2. **`DOMParser`**: Parses a string into a DOM document, which can then be used to create new elements. 3. **Template literals** (not used in this benchmark): A modern JavaScript feature that allows you to embed expressions inside string literals. **Benchmark Preparation Code** The provided `Script Preparation Code` is empty, but it's likely that the user wants to set up some basic DOM-related code before running the benchmark. **Individual Test Cases** Each test case measures the performance of either creating a new element using `createElement` or cloning an existing element using `cloneNode(true)`. The test cases create three identical elements for each approach and measure the time taken to execute the script.
Related benchmarks:
createElement vs cloneNode(false)
createElement vs cloneNode v3
createElement vs deep cloneNode vs cloneNode
cloneNode vs createElement
Create versus clone element
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