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setAttribute vs. dataset
(version: 0)
Comparing performance of:
setAttribute vs dataset
Created:
3 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<div id="foo"></div>
Tests:
setAttribute
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.setAttribute("foo", "bar"); }
dataset
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.dataset.foo = 'bar'; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
setAttribute
dataset
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 provided JSON and explain what's being tested. **Benchmark Overview** The benchmark measures two approaches to setting attribute values on an HTML element: using `setAttribute` and using the `dataset` property with the attribute name as a key. **Options Compared** Two options are compared: 1. **`setAttribute`**: This method sets the value of an attribute on an element using the `setAttribute` function, which takes two arguments: the attribute name and the attribute value. 2. **`dataset`**: This method uses the `dataset` property to set a value for an attribute. The `dataset` property is a standardized way to store custom data attributes on HTML elements. **Pros and Cons of Each Approach** 1. **`setAttribute`**: * Pros: widely supported across browsers, easy to use. * Cons: can be slower due to the overhead of string concatenation, may require additional parsing in some browsers. 2. **`dataset`**: * Pros: faster, more efficient, and easier to read, as it uses a standardized property rather than a function call. * Cons: not all browsers support the `dataset` property, and it requires JavaScript to set and get values. **Library and Special JS Features** In this benchmark, no libraries are used. However, special JavaScript features that might be worth mentioning include: * **`dataset`**: This feature is supported in modern browsers, but its usage can vary between browsers. * **`String Concatenation`**: The `setAttribute` method uses string concatenation under the hood, which can lead to slower performance. **Test Case Explanation** The benchmark consists of two test cases: 1. **`setAttribute`**: This test case sets an attribute value using `setAttribute`, iterating 1000 times. 2. **`dataset`**: This test case sets a custom data attribute using the `dataset` property, also iterating 1000 times. **Other Alternatives** If you're interested in exploring alternative approaches to setting attribute values, consider: * Using other libraries or frameworks that provide optimized methods for setting attributes, such as jQuery. * Using template literals (a modern JavaScript feature) to improve string concatenation performance. * Considering other data storage solutions, like cookies or local storage. Overall, the benchmark provides a simple and efficient way to compare the performance of two approaches to setting attribute values on HTML elements.
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