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.

Responsive Website Basics: Code with HTML, CSS, and JavaScript. This course is part of the Responsive Website Development and Design Specialization and offered by the University of London Goldsmiths, University of London.

JavaScript image compressor. Uses the Browser's native canvas.toBlob API to do the compression work, which means it is lossy compression. General use this to precompress a client image file before upload it.