No-Library (pure JS), HTML, CSS, JavaScript
jQuery 3.4.1, HTML, CSS, JavaScript
Custom attribute
https://github.com/clientIO/joint/discussions/2209
https://github.com/clientIO/joint/discussions/2207
https://github.com/clientIO/joint/discussions/2152
https://github.com/clientIO/joint/discussions/2123
https://github.com/clientIO/joint/discussions/2116
From standard.Image