<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js'></script><script> var $jq1124 = $.noConflict(true);</script><script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script><script> var $jq224 = $.noConflict(true);</script><script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script><script> var $jq341 = $.noConflict(true);</script><script src="https://code.jquery.com/jquery-3.7.1.min.js"></script><script> var $jq371 = $.noConflict(true);</script><script src="https://code.jquery.com/jquery-4.0.0-beta.min.js"></script><script> var $jq400beta = $.noConflict(true);</script><div> <ul id="menu"> <li class="menu-item">1</li> <li class="menu-item">2</li> <li class="menu-item">3</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> <li class="menu-item">4</li> </ul></div>function tests($) { $(".menu-item").eq(2).closest("ul").css({ "background-color": "red" }).parent().css({ "border": "1px solid blue" }).append($("<p></p>").text("Text.").css({ "background-color": "green" })).end().end().remove(); console.log('tests' + $);}tests($jq1124);tests($jq224);tests($jq341);tests($jq371);tests($jq400beta);--enable-precise-memory-info flag.
| Test case name | Result |
|---|---|
| jq1.12.4 | |
| jq2.2.4 | |
| jq3.4.1 | |
| jq3.7.1 | |
| jq4.0.0-beta |
| Test name | Executions per second |
|---|---|
| jq1.12.4 | 4961.2 Ops/sec |
| jq2.2.4 | 5802.7 Ops/sec |
| jq3.4.1 | 6257.3 Ops/sec |
| jq3.7.1 | 6201.4 Ops/sec |
| jq4.0.0-beta | 6196.3 Ops/sec |
Let's dive into the world of JavaScript benchmarks!
What is tested on the provided JSON?
The provided JSON represents a benchmarking test case for comparing the performance of different versions of jQuery (a popular JavaScript library). Specifically, it tests the execution speed of the tests function with each version of jQuery, from 1.12.4 to 4.0.0-beta.
Options being compared:
The options being compared are the different versions of jQuery:
Pros and Cons of each approach:
Each version of jQuery has its own strengths and weaknesses, which affect the performance of the benchmark:
Library and its purpose
The jQuery library is a popular JavaScript library that simplifies DOM manipulation, event handling, and animation. It's widely used in web development due to its ease of use and flexibility.
In this benchmark, the $.noConflict() function is used to ensure compatibility with other libraries or codebases that rely on the $ symbol for variable assignment (e.g., some browsers or plugins).
Special JS feature or syntax
There are no specific JavaScript features or syntax being tested in this benchmark. The focus is solely on comparing the performance of different versions of jQuery.
Benchmark results
The provided JSON includes the raw UA string, browser information, device platform, operating system, executions per second, and test name for each version of jQuery. This data can be used to analyze the performance differences between the versions and provide insights into which version is best suited for a specific use case or environment.
I hope this explanation helps!
