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Self Closing vs Closed Tags
(version: 0)
Benchmark.js
Comparing performance of:
Self Closing Tags vs Closed Tags
Created:
4 years ago
by:
Guest
Go to the latest result
Tests:
Self Closing Tags
const template = document.createElement('template'); template.innerHtml = '<tr><td class="col-md-1" /><td class="col-md-4"><a /></td><td class="col-md-1"><a><span class="glyphicon glyphicon-remove" aria-hidden="true" /></a></td><td class="col-md-6" /></tr>';
Closed Tags
const template = document.createElement('template'); template.innerHtml = '<tr><td class="col-md-1"></td><td class="col-md-4"><a></a></td><td class="col-md-1"><a><span class="glyphicon glyphicon-remove" aria-hidden="true"></span></a></td><td class="col-md-6"></td></tr>';
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Self Closing Tags
Closed Tags
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Browser/OS:
Chrome 128 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=610803" width="100%" height="500px"></iframe>
Closed Tags
5.2M/s
Self Closing Tags
4.8M/s
View exact numbers
Test name
Executions per second
✓
Closed Tags
5,176,204 Ops/sec
Self Closing Tags
4,751,298 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net. **Benchmark Definition** The provided benchmark definition is quite straightforward. It tests two different approaches for creating HTML elements using template literals in JavaScript. The "Script Preparation Code" and "Html Preparation Code" are empty, which means that these values are not relevant to the benchmark itself. The script preparation code refers to any code that might be executed before running the test, while the html preparation code refers to any HTML code generated by the script. In this case, both are blank, indicating that they do not affect the outcome of the benchmark. **Individual Test Cases** The two individual test cases represent the "Self Closing Tags" and "Closed Tags" scenarios. 1. **Self Closing Tags**: This test case creates a template element with inner HTML containing `<tr><td class="col-md-1" /><td class="col-md-4"><a /></td><td class="col-md-1"><a><span class="glyphicon glyphicon-remove" aria-hidden="true" /></a></td><td class="col-md-6" /></tr>`. The `self-closing` tags are used, which means that the HTML element is closed immediately after its opening tag. In this case, the `<a>` and `<span>` elements do not have explicit closing tags. 2. **Closed Tags**: This test case creates a template element with inner HTML containing `<tr><td class="col-md-1" ></td><td class="col-md-4"><a></a></td><td class="col-md-1"><a><span class="glyphicon glyphicon-remove" aria-hidden="true"></span></a></td><td class="col-md-6" ></td></tr>`. Here, the HTML elements are closed using explicit closing tags (`</td>`). **Options Compared** The two test cases compare the performance of self-closing and explicitly closed HTML elements. **Pros and Cons** * **Self-Closing Tags**: + Pros: Can be more concise and potentially faster, as the parser can parse them directly. + Cons: May not work correctly in all situations (e.g., when used with certain attributes or values). * **Explicitly Closed Tags**: + Pros: Always works correctly, regardless of context. + Cons: Can lead to slightly longer code and potentially slower parsing. **Library** None of the test cases use any specific JavaScript library. The benchmark focuses solely on the inherent differences between self-closing and explicitly closed HTML elements in JavaScript template literals. **Special JS Feature or Syntax** There is no special JavaScript feature or syntax being tested in this benchmark. It's purely focused on comparing two different approaches to creating HTML elements using template literals. **Other Alternatives** If you're interested in exploring more benchmarks, MeasureThat.net offers a wide range of tests covering various aspects of JavaScript performance and optimization. Some examples include: * Benchmarking the performance of different JavaScript engines (e.g., V8, SpiderMonkey) * Comparing the speed of different data structures (e.g., arrays, objects) * Evaluating the impact of different optimization techniques on JavaScript code Feel free to explore these and other benchmarks on MeasureThat.net to gain a deeper understanding of JavaScript performance and optimization.
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