4 ms·
It's probably using a polyfill for the functionality.[1] [1] - https://www.webcomponents.org/polyfills#custom-elements-polyfill https://www.webcomponents.org/p
by Mayzie 9y ago
It's probably using a polyfill for the functionality.[1]
[1] - https://www.webcomponents.org/polyfills#custom-elements-polyfill https://www.webcomponents.org/polyfills#custom-elements-poly...