No-Library (pure JS), HTML, CSS, JavaScript
jQuery 3.4.1, HTML, CSS, JavaScript
jQuery 1.11.0, HTML, CSS, JavaScript
jQuery 3.2.1, HTML, CSS, JavaScript
jQuery 3.1.1, HTML, CSS, JavaScript
jQuery 3.1.0, HTML, CSS, JavaScript
jQuery 1.9.1, HTML, CSS, JavaScript
A simple example of QUnit tests using JSFiddle