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