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js - title vs getAttribute vs hasAttribute /well2
(version: 0)
Comparing performance of:
title vs getAttribute vs hasAttribute
Created:
2 years ago
by:
Guest
Go to the latest result
HTML Preparation code:
<div id="test">element</div>
Script Preparation code:
var el = document.getElementById("test");var x;
Tests:
title
if(el.title){x=0;};
getAttribute
if(el.getAttribute('title')){x=0;};
hasAttribute
if(el.hasAttribute('title')){x=0;};
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
title
getAttribute
hasAttribute
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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Browser/OS:
Chrome 126 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=531707" width="100%" height="500px"></iframe>
title
1.6M/s
hasAttribute
1.0M/s
getAttribute
1.0M/s
View exact numbers
Test name
Executions per second
✓
title
1,556,313 Ops/sec
hasAttribute
1,034,427 Ops/sec
getAttribute
1,020,653 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what is being tested. **Benchmark Overview** The benchmark compares three different approaches to check if an element has a title attribute: 1. `title` property (dot notation) 2. `getAttribute('title')` 3. `hasAttribute('title')` These approaches are being compared in terms of performance, specifically the number of executions per second. **Options Compared** The options being compared are: * Using the `title` property (dot notation) to access the attribute value. * Using `getAttribute('title')` to dynamically retrieve the attribute value. * Using `hasAttribute('title')` to check if the element has a title attribute without accessing its value. **Pros and Cons of Each Approach** 1. **`title` Property (Dot Notation)**: * Pros: Fast, simple, and widely supported. * Cons: May not work in older browsers that don't support dot notation for attribute access. 2. **`getAttribute('title')`**: * Pros: Widely supported across browsers, allows dynamic retrieval of attribute value. * Cons: May be slower than using the `title` property directly due to the extra step of getting the attribute value. 3. **`hasAttribute('title')`**: * Pros: Fast and efficient, only checks if the attribute exists without accessing its value. * Cons: May not work in older browsers that don't support this method. **Library and Special JS Features** None of the test cases use any specific library or JavaScript features other than standard DOM methods (e.g., `document.getElementById`, `getAttribute`, `hasAttribute`). **Test Case Explanations** The three test cases are simple: 1. `title`: Checks if the element has a title attribute using the `title` property. 2. `getAttribute`: Checks if the element has a title attribute by calling `getAttribute('title')`. 3. `hasAttribute`: Checks if the element has a title attribute by calling `hasAttribute('title')`. These test cases are designed to measure the performance difference between these three approaches. **Other Alternatives** If you're interested in exploring alternative approaches, some other options might include: * Using a library like jQuery or Lodash to simplify DOM interactions. * Using modern JavaScript features like destructuring assignment or `?.` nullish coalescing operator to make attribute access more concise. * Implementing a custom attribute access function using Web APIs like `WebStorage` or `IndexedDB`. However, these alternatives may not be relevant to this specific benchmark, and the performance differences between them might be negligible.
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