On a desktop, websites have the space to show the full menu, but on a mobile device that space isn't there, and you want to hide the menu behind a toggle (like a hamburger icon) and show it when people click that toggle. How do you offer both in an accessible way that keeps your HTML simple, without duplicating your menu? That's what the perfect responsive menu does.

Generation of diagram and flowchart from text in a similar manner as markdown.

Flatpickr is a lightweight, powerful JavaScript datetime picker with no dependencies.