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JQuery: find vs selector vs scoped selector - Class
(version: 0)
Test which solution find quicker element
Comparing performance of:
find with "find" vs find with selector and scope vs find with selector
Created:
3 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
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Script Preparation code:
var $element = $(".parent");
Tests:
find with "find"
$element.find(".child");
find with selector and scope
$(".child", $element);
find with selector
$(".child");
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
find with "find"
find with selector and scope
find with selector
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the explanation of this JavaScript microbenchmark. **Benchmark Purpose** The benchmark tests three different ways to select an element using jQuery: 1. `find()` method 2. CSS selector (e.g., `$(".child")`) 3. Scoped selector with jQuery's `$()` function (e.g., `$(".child", $element)`) **Options Compared** The benchmark compares the performance of each option, measuring how many executions per second they can handle. **Pros and Cons** 1. **`find()` method**: This method traverses the DOM tree from the current element to find the target element. It's useful when you need to search for an element within a larger container. * Pros: Fast and efficient, especially when searching within a specific scope. * Cons: Can be slower than other methods for simple searches, as it involves traversing the DOM tree. 2. **CSS selector**: This method uses the `querySelectorAll()` function to select elements that match the specified CSS selector. It's fast and efficient, but can be slower if the selection is too complex. * Pros: Fast and efficient, especially for simple selectors. * Cons: Can be slower for complex or nested selectors. 3. **Scoped selector with `$()` function**: This method uses the `$()` function to create a new jQuery object, which allows you to search within a specific scope (e.g., `$(".child", $element)`). It's useful when you need to select elements within a larger container. * Pros: Fast and efficient, especially for simple searches within a specific scope. * Cons: Can be slower than `find()` method if searching within a large DOM tree. **Library and Purpose** The benchmark uses jQuery, which is a popular JavaScript library for DOM manipulation and event handling. The `$()` function is the primary entry point for interacting with the DOM using jQuery. **Special JS Features or Syntax** This benchmark does not use any special JavaScript features or syntax that are specific to modern browsers (e.g., async/await, Promises, Web Workers). However, it's worth noting that some of these features may affect performance in certain scenarios. In summary, this benchmark provides a simple yet informative comparison of three jQuery methods for selecting elements: `find()`, CSS selector, and scoped selector with `$()` function.
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