- Language
- Object: 🖐️ used
- this: 🖐️ used
- arrow function: 🖐️ used
- async function: 🖐️ used
- call: 🖐️ used
- bind: 🖐️ used
- apply: 🖐️ used
- instanceof: 🖐️ used
- ...spread: 🎓 known
- ...rest: 🎓 known
- typeof: 🖐️ used
- destructuring: 🎓 known
- generator: 🎓 known
- iterator: 🎓 known
- async generator: 🎓 known
- async iterator: 🎓 known
- chaining: 🎓 known
- optional chaining: 🎓 known
- IIFE: 🎓 known
- global: 🎓 known
- globalThis: 🎓 known
- window: 🎓 known
- getters and setters: 🎓 known
- proto: 🎓 known
- prototype: 🎓 known
- equality operators: 🎓 known
- logical operators: 🎓 known
- bitwise operators: 🎓 known
- ternary operator: 🎓 known
- void: 🎓 known
- yield: 🎓 known
- await: 🎓 known
- template literal
- strict mode: 🎓 known
- delete: 🎓 known
- in: 🎓 known
- super: 🎓 known
- Symbol: 🎓 known
- Reflect: 🎓 known
- Statements
- if: 🖐️ used
- while: 🖐️ used
- do..while: 🖐️ used
- for: 🖐️ used
- for..in: 🖐️ used
- for..of: 🖐️ used
- for await: 🎓 known
- throw: 🎓 known
- break: 🖐️ used
- continue: 🎓 known
- import: 🎓 known
- export: 🎓 known
- label: 🎓 known
- try..catch: 🎓 known
- switch: 🙋 explained
- class: 🙋 explained
- new Error: 🎓 known
- with: 🎓 known
- Functions
- function declaration: 🎓 known
- function expression: 🎓 known
- return: 🙋 explained
- default parameters: 🎓 known
- functional object: 🎓 known
- Data structures
- Array: 🖐️ used
- mixin: 🎓 known
- extend: 🎓 known
- typed arrays: 🎓 known
- Map: 🎓 known
- Set: 🎓 known
- undefined: 🎓 known
- null: 🖐️ used
- Proxy: 🎓 known
- weak collections: 🎓 known
- timers: 🎓 known
- EventEmitter: 🎓 known
- RegExp: 🎓 known
- Date: 🎓 known
- BigInt: 🎓 known
- Infrastructure
- V8: 🎓 known
- Node.js: 🖐️ used
- npm: 🖐️ used
- prettier: 🎓 known
- MDN: 🎓 known