https://findnerd.com/list/view/The-Viewport---Responsive-Web-Design/25959/
The Viewport - Responsive Web Design
Nov 15, 2016 - Viewport meta tag is the primary idea of responsive web design. the viewport differs from device to device. it will be smaller on a mobile when contrasted with...
the viewportresponsive webdesign
https://www.agney.dev/blog/detecting-if-an-element-is-in-viewport-javascript
Detecting if an element is in the viewport - Javascript | Agney
Detecting if an element is in the viewport - Javascript
in thedetectingelementviewportjavascript