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Append(...Node) vs append(node)
(version: 0)
Comparing performance of:
Append(...Node) vs Append(Node)
Created:
4 years ago
by:
Guest
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Tests:
Append(...Node)
document.body.append(document.createElement('div'),document.createElement('div'),document.createElement('div'));
Append(Node)
document.body.append(document.createElement('div')); document.body.append(document.createElement('div')); document.body.append(document.createElement('div'));
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Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
Append(...Node)
Append(Node)
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to help explain what's being tested in the provided benchmark. **Benchmark Overview** The benchmark compares two approaches for appending elements to an HTML document: 1. `append(...Node)` (also known as "spread operator" or "rest parameter syntax") 2. `append(Node)` **Options Compared** The benchmark tests the performance of these two options, with the first option being the more concise and modern way of appending multiple nodes. **Pros and Cons of Each Approach** 1. **`append(...Node)`**: * Pros: More concise and expressive, allowing for a single function call to append multiple nodes. * Cons: May be less efficient due to the overhead of parsing the spread operator. 2. **`append(Node)`**: * Pros: Can be more efficient since it avoids the overhead of parsing the spread operator, resulting in faster execution times. * Cons: Requires an additional function call and parameter passing for each node. **Library** There is no explicit library mentioned in the benchmark definition or test cases. However, `document.body` and `document.createElement` are part of the DOM (Document Object Model), which is a built-in JavaScript API for working with web pages. **Special JS Feature/Syntax** The benchmark uses the rest parameter syntax (`...Node`) in the first test case, which was introduced in ECMAScript 2015 (ES6) as part of the standard language specification. This feature allows functions to accept an arbitrary number of arguments using the `...` syntax, making it a concise way to pass multiple values as a single argument. **Other Considerations** The benchmark may also consider other factors such as: * Cache behavior: How does the browser cache the results of previous executions? * Browser-specific optimizations: Are there any browser-specific optimizations that affect the execution times of these two approaches? **Alternatives** Some alternative benchmarks or test cases might investigate other aspects, such as: * Comparing performance with different types of node creation (e.g., `document.createElement('div')` vs. `new DOMElement('div')`) * Examining the impact of appending multiple nodes in a single function call versus using multiple separate calls * Investigating the performance differences between using JavaScript's built-in `push()` method and the `append()` method Keep in mind that these alternatives would depend on the specific goals and focus of the benchmark.
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