GlossaryAuto-generated index of key terms and which lesson covers them. Term Lesson Array destructuring 03. Arrays Array.every 03. Arrays Array.some 03. Arrays Arrays 03. Arrays arrow functions 02. Functions async/await 06. Async JavaScript Callback functions 02. Functions Callbacks 06. Async JavaScript Classes 07. Modern JavaScript Computed property names 04. Objects Conditionals 01. Basics CRUD 08. Build a Notes App Destructuring 07. Modern JavaScript DOM 05. DOM Manipulation DOM traversal 05. DOM Manipulation event bubbling 05. DOM Manipulation Event delegation 05. DOM Manipulation Event listeners 05. DOM Manipulation Fetch API 06. Async JavaScript Functions 02. Functions Hoisting 02. Functions IIFE 02. Functions index 03. Arrays JavaScript 01. Basics JSON.parse 08. Build a Notes App JSON.stringify 08. Build a Notes App localStorage 08. Build a Notes App Methods 04. Objects Modules 07. Modern JavaScript Nullish coalescing 07. Modern JavaScript Object destructuring 04. Objects Objects 04. Objects Optional chaining 04. Objects primitive types 01. Basics Promises 06. Async JavaScript rest operator 07. Modern JavaScript Rest parameters 02. Functions Scope 02. Functions Set 03. Arrays single-threaded 06. Async JavaScript spread operator 03. Arrays, 04. Objects strict equality 01. Basics Template literals 07. Modern JavaScript ternary operator 01. Basics this keyword 04. Objects Type coercion 01. Basics Variables 01. Basics XSS 08. Build a Notes App