TIL-20220625

CSS

• (MDN) Using CSS custom properties

JavaScript

• (MDN) Public class fields
• (MDN) Nullish coalescing operator(??)
• (MDN) Optional chaining(?.)

Lit

• (Documentation) Shadow DOM

links

• https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_custom_properties
• https://lit.dev/docs/components/shadow-dom/#implementing-createrenderroot
• https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Nullish_coalescing_operator
• https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Optional_chaining