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using getAttribute vs property to access an element's href
(version: 0)
ok
Comparing performance of:
getAttribute vs property
Created:
7 years ago
by:
Guest
Go to the latest result
HTML Preparation code:
hi <a id="yes" href="/okay">go here!!!! jkkjkkjjj don't</a>
Tests:
getAttribute
const element = document.getElementById('yes'); let i = 1000; while (i--) { // here let attr = element.getAttribute('href'); console.log(attr); }
property
const element = document.getElementById('yes'); let i = 1000; while (i--) { // here 2 let attr = element.href; console.log(attr); }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
getAttribute
property
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0
Browser/OS:
Firefox 128 on Windows
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<iframe src="https://measurethat.net/Embed?id=533725" width="100%" height="500px"></iframe>
getAttribute
173/s
property
140/s
View exact numbers
Test name
Executions per second
✓
getAttribute
173 Ops/sec
property
140 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested. **Benchmark Definition** The benchmark measures two approaches to access an element's `href` attribute: using `getAttribute()` or accessing it directly through the property (`href`). The goal is to determine which approach is faster, more efficient, and suitable for a specific use case. **Options Compared** 1. **Using `getAttribute()`**: This method retrieves the value of a named attribute from an element's DOM object. It takes two arguments: the element and the attribute name. 2. **Accessing through property (`href`)**: This approach directly accesses the `href` attribute as a property of the element's DOM object. **Pros and Cons** * Using `getAttribute()`: + Pros: This method is widely supported across different browsers and versions, making it more compatible. + Cons: It may be slower due to the additional overhead of calling a function to retrieve the attribute value. * Accessing through property (`href`): + Pros: Directly accessing an attribute as a property can be faster since there's no function call involved. + Cons: This approach might not work in older browsers or versions that don't support this syntax. **Library and Special JS Feature** There is no specific library used in this benchmark, but it does utilize the `document.getElementById()` method to retrieve an HTML element by its ID. The `document` object is a fundamental part of JavaScript and provides access to various web page elements. **Other Considerations** When accessing attributes or properties through the DOM, consider the following: * Browser support: Ensure compatibility with older browsers using alternative methods like `getAttribute()` or property access. * Performance: Measure the execution time for different approaches in your specific use case to determine the most efficient method. * Readability and maintainability: Choose a method that is easy to understand and maintain, especially in complex codebases. **Alternatives** Other alternatives to measure attribute or property access might include: * Using a library like jQuery, which provides its own versions of `getAttribute()` and property access. * Comparing different DOM traversal methods, such as using `querySelectorAll()`, `getElementsByTagName()`, or `getElementsByClassName()`. * Measuring the performance of accessing attributes or properties through a custom-made function. If you're interested in exploring more benchmarks like this one, you can check out MeasureThat.net's collection of JavaScript microbenchmarks.
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