Tag: JavaScript

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

Learn the Document Object Model as a tree of nodes.

Define classes and construct instances with new.

Learn how this is set by call site (rules differ for arrows).

Set this explicitly with call, apply, and bind.

Model domains with objects/classes while knowing prototypes underneath.

Write concise functions with => and lexical this.

Pass functions to be called later (events, timers, array methods).

Write functions that take/return other functions.

Understand where variables are visible: global, function, and block.