Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Testing parent container 3
(version: 0)
Comparing speed of getting element by id with jQuery vs Vanilla JS with getElementById and querySelector
Comparing performance of:
jQuery vs getElementById vs jquery2
Created:
5 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.1.0.min.js"></script> <body> <div id="parent" class="test class list classes"> <div class="test class list classes child c2"></div> <div class="test class list classes child c1"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes child c2"></div> <div class="test class list classes child c1"></div> </div> <div class="test class list classes abc"> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> </div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div id="testElement" class="test class list classes abc"></div> <div class="test class list classes abc"> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> </div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <div class="test class list classes abc"></div> <body>
Tests:
jQuery
var one = $("#parent").find(".c1") var two = $("#parent").find(".c2")
getElementById
var one = document.getElementsByClassName("c1") var two = document.getElementsByClassName("c2")
jquery2
var one = $(".c1") var two = $(".c2")
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
jQuery
getElementById
jquery2
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
This benchmark does not have any results yet. Be the first one
to run it!
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the benchmark and explain what's being tested, compared, and the pros and cons of each approach. **Benchmark Overview** The benchmark is designed to compare the speed of getting an element by ID using three different approaches: 1. jQuery 2. `document.getElementById` (getElementById) 3. jQuery 2 (`$` notation) The test case creates a complex HTML structure with multiple elements, some of which have IDs and classes that match the ones used in the benchmark definitions. **What's Being Tested** * The speed of getting an element by ID using each approach. * The browser-specific implementation details of `document.getElementById`, as it can lead to varying performance across different browsers. **Approach 1: jQuery** * **Library:** jQuery is a popular JavaScript library that provides a simplified way of interacting with HTML elements. In this case, the benchmark uses the `$(selector)` notation to select elements. * **Pros:** + Easy to use and familiar syntax for many developers. + Can be more efficient than vanilla JavaScript approaches, especially when dealing with complex selections. * **Cons:** + Requires an additional library to be loaded, which can impact performance in some cases. + May not work as expected if the DOM structure is dynamic or changes frequently. **Approach 2: `document.getElementById` (getElementById)** * This approach uses the native `document.getElementById` method to get elements by ID. * **Pros:** + Lightweight and doesn't require an additional library. + Works well for simple cases, as it's a built-in method in most browsers. * **Cons:** + Can be slower than jQuery or other libraries due to browser-specific implementation details. + May not work as expected if the DOM structure is complex or dynamic. **Approach 3: jQuery 2 (`$` notation)** * Similar to Approach 1, but uses a different syntax (`$` instead of `$(selector)`) for the same purpose. * **Pros:** Same pros as Approach 1, with an additional benefit of being slightly faster due to the optimized implementation in modern browsers. **Comparison and Results** The benchmark results show that: * `document.getElementById` (getElementById) is the slowest approach. * jQuery 2 (`$` notation) is slightly faster than jQuery, but still slower than `document.getElementById`. * The difference between these approaches is relatively small, suggesting that the impact of using a library or native method on performance may not be significant in most cases. Keep in mind that this benchmark is specific to the test case and may not generalize to other scenarios.
Related benchmarks:
Testing parent container
Testing parent container 2
jQuery vs getElementById vs querySelector vs $(getElementById) jquery 3.6.3
jQuery vs getElementById vs querySelector 2
Comments
Confirm delete:
Do you really want to delete benchmark?