No-Library (pure JS), HTML, CSS, JavaScript
Toggle shortcuts with a bit of javascript
Example of Flex header, footer, content
jQuery 3.3.1, HTML, CSS, JavaScript
Way handling click events with only one listener.
jQuery 1.7.1, HTML, CSS, JavaScript
jQuery 2.1.0, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, Vue
Change class name on click in jQuery