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Vanilla js vs jquery: value
(version: 0)
.value vs .val()
Comparing performance of:
vanilla js vs jquery
Created:
4 years ago
by:
Guest
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HTML Preparation code:
<input type="text" class="input" value="abc"> <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
Tests:
vanilla js
document.querySelector('.input').value;
jquery
$('.input').val();
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
vanilla js
jquery
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down what's being tested in this JavaScript microbenchmark. **Benchmark Definition** The benchmark is comparing two approaches: using the `value` property directly (`document.querySelector('.input').value;`) versus using the `.val()` method provided by jQuery (`$('.input').val();`). The goal is to determine which approach is faster. **Options compared** There are two options being compared: 1. **Vanilla JavaScript**: This involves using the `value` property directly on the DOM element. 2. **jQuery**: This involves using the `.val()` method provided by jQuery. **Pros and Cons of each approach:** * **Vanilla JavaScript**: + Pros: More lightweight, no dependency on jQuery. + Cons: May be slower due to the need to access the `value` property through the DOM element. * **jQuery**: + Pros: Faster execution time for accessing values in HTML elements, thanks to the optimized `.val()` method. + Cons: Requires including jQuery as a script dependency. **Other considerations:** * The benchmark uses Chrome 98 as the browser, which is a relatively modern version with optimized JavaScript engines. This might affect the results, but it's still useful for comparing the performance of vanilla JavaScript and jQuery. * The test case only involves accessing the `value` property of an HTML element, so any differences in execution time will be due to the comparison between the two approaches. **Library usage** In this benchmark, jQuery is used as a library to provide the `.val()` method for accessing HTML element values. This allows for a fair comparison between vanilla JavaScript and jQuery. **Special JS feature or syntax** None of the test cases use any special JavaScript features or syntax that would affect their execution time. The focus is on comparing the performance of two simple approaches: using `value` directly versus using `.val()` provided by jQuery. **Alternatives** Other alternatives for accessing HTML element values in JavaScript include: * Using the `getAttribute()` method to access attribute values, like this: `document.querySelector('.input').getAttribute('value')`. * Using a library like React or Angular, which provide their own optimized methods for accessing and updating DOM elements. * Implementing custom DOM manipulation libraries or frameworks that optimize performance for specific use cases. In general, when choosing between vanilla JavaScript and jQuery for DOM access, consider the trade-offs between lightweight execution and potential performance benefits provided by jQuery's optimized methods.
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