Tag: Tutorial

Update text/markup with textContent, innerHTML, and insertAdjacentHTML.

Change presentation via style and classList.

Build UI nodes with createElement/append and remove them safely.

Walk parents, children, and siblings with DOM navigation APIs.

Initialize instance state in constructor methods.

Extend classes with extends and super.

Hide internals with closures or #private fields.

Call the same method name across different types with different behavior.

Understand [[Prototype]] lookup and Object.create.

Learn the Document Object Model as a tree of nodes.