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@longo-andrea, @mean2me, @pasor1
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An Introduction to JavaScript
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An Introduction to JavaScript
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The JavaScript language
An introduction
JavaScript Fundamentals
- Hello, world!
- Code structure
- The modern mode, "use strict"
- Variables
- Data types
- Interaction: alert, prompt, confirm
- Type Conversions
- Basic operators, maths
- Comparisons
- Conditional branching: if, '?'
- Logical operators (@Dorin-David) Logical operators #181
- Nullish coalescing operator '??' (@matmont)
- Loops: while and for
- The "switch" statement
- Functions
- Function expressions
- Arrow functions, the basics (@pasor1) Arrow functions, the basics #162
- JavaScript specials
Code quality
- Debugging in the browser
- Coding Style
- Comments
- Ninja code
- Automated testing with Mocha
- Polyfills and transpilers
Objects: the basics
- Objects
- Object references and copying (@pasor1) Object references and copying #182
- Garbage collection
- Object methods, "this"
- Constructor, operator "new"
- Optional chaining '?.' (@longo-andrea) Optional chaining '?.' #187
- Symbol type
- Object to primitive conversion
Data types
- Methods of primitives
- Numbers
- Strings
- Arrays
- Array methods
- Iterables
- Map and Set (@GabrieleRomeo)
- WeakMap and WeakSet (@longo-andrea) WeakMap and WeakSet #184
- Object.keys, values, entries
- Destructuring assignment
- Date and time
- JSON methods, toJSON
Advanced working with functions
- Recursion and stack
- Rest parameters and spread syntax
- Variable scope, closure
- The old "var"
- Global object
- Function object, NFE
- The "new Function" syntax (@pasor1) The "new Function" syntax #194
- Scheduling: setTimeout and setInterval (@Luma1970)
- Decorators and forwarding, call/apply (@pasor1) Decorators and forwarding, call/apply #204
- Function binding (@pasor1) Function binding #229
- Arrow functions revisited (@longo-andrea) Arrow functions revisited #233
Object properties configuration
- Property flags and descriptors (@longo-andrea) Property flags and descriptors #196
- Property getters and setters (@longo-andrea) Property getters and setters #199
Prototypes, inheritance
- Prototypal inheritance (@longo-andrea) Prototypal inheritance #207
- F.prototype (@longo-andrea) F.prototype #208
- Native prototypes (@longo-andrea) Native prototypes #210
- Prototype methods, objects without proto (@longo-andrea) Prototype methods, objects without __proto__ #213
Classes
- Class basic syntax (@Wilkenfeld )
- Class inheritance (@Wilkenfeld )
- Static properties and methods (@longo-andrea) Static properties and methods #231
- Private and protected properties and methods (@longo-andrea) Private and protected properties and method #240
- Extending built-in classes (@longo-andrea) Extending built-in classes #237
- Class checking: "instanceof" (@longo-andrea) Class checking: "instanceof" #241
- Mixins (@longo-andrea) Mixins #242
Error handling
- Error handling, "try...catch"
- Custom errors, extending Error (@longo-andrea) Custom errors, extending Error #163
Promises, async/await
- Introduction: callbacks (@rezyx)
- Promise API (@rezyx)
- Promises chaining (@rezyx)
- Error handling with promises (@rezyx)
- Promise API (@rezyx)
- Promisification (@rezyx)
- Microtasks (@rezyx)
- Async/await (@rezyx)
Generators, advanced iteration
Modules
- Modules, introduction (@R0adRunn3r) Modules, introduction #49
- Export and Import (@longo-andrea) Export and Import #243
- Dynamic imports (@longo-andrea) Dynamic imports #244
Miscellaneous
- Proxy and Reflect (@longo-andrea) Proxy and Reflect #261
- Eval: run a code string (@longo-andrea) Eval: run a code string #246
- Currying (@longo-andrea) Currying #255
- Reference Type (@longo-andrea) Reference Type #256
- BigInt (@longo-andrea) BigInt #258
- Unicode, String internals
Browser: Document, Events, Interfaces
Document
- Browser environment, specs
- DOM tree
- Walking the DOM (@pasor1) Walking the DOM #253
- Searching: getElement*, querySelector* (@Dorin-David) Searching: getElement*, querySelector* #254
- Node properties: type, tag and contents (@marcellosurdi) Node properties: type, tag and contents #268
- Attributes and properties (@Dorin-David) Attributes and properties #267
- Modifying the document (@Dorin-David) Modifying document #281
- Styles and classes (@marcellosurdi) Styles and classes #270
- Element size and scrolling (@marcellosurdi) Element size and scrolling #279
- Window sizes and scrolling (@marcellosurdi) Window sizes and scrolling #284
- Coordinates (@marcellosurdi) Coordinates #286
Introduction to Events
- Introduction to browser events (@pierangelomiceli) Introduction to browser events #183
- Bubbling and capturing (@pierangelomiceli) Bubbling and capturing #198
- Event delegation (@pierangelomiceli) Event delegation #203
- Browser default actions (@pierangelomiceli) Browser default actions #212
- Dispatching custom events (@pierangelomiceli) Dispatching custom events #201
UI Events
- Mouse events (@pierangelomiceli) Mouse events #225
- Moving the mouse: mouseover/out, mouseenter/leave (@pierangelomiceli) Moving the mouse: mouseover/out, mouseenter/leave #232
- Drag'n'Drop with mouse events (@pierangelomiceli) Drag'n'Drop with mouse events #252
- Pointer events (@pierangelomiceli) Pointer events #260
- Keyboard: keydown and keyup (@pierangelomiceli) Keyboard: keydown and keyup #265
- Scrolling (@pierangelomiceli) Scrolling #266
Forms, controls
- Form properties and methods (@pierangelomiceli) Form properties and methods #226
- Focusing: focus/blur (@pierangelomiceli) Focusing: focus/blur #227
- Events: change, input, cut, copy, paste (@pierangelomiceli) Events: change, input, cut, copy, paste #223
- Forms: event and method submit (@pierangelomiceli) Forms: event and method submit #228
Document and resource loading
- Page: DOMContentLoaded, load, beforeunload, unload (@simoneP93)
- Scripts: async, defer (@simoneP93)
- Resource loading: onload and onerror (@simoneP93)
Miscellaneous
- Mutation observer (@pierangelomiceli)
- Selection and Range (@pierangelomiceli )
- Event loop: microtasks and macrotasks (@pierangelomiceli )
Frames and windows
- Popups and window methods (@longo-andrea) Popups and window methods #269
- Cross-window communication (@longo-andrea) Cross-window communication #273
- The clickjacking attack (@longo-andrea) The clickjacking attack #278
Binary data, files
- ArrayBuffer, binary arrays (@longo-andrea) ArrayBuffer, binary arrays #291
- TextDecoder and TextEncoder (@longo-andrea) TextDecoder and TextEncoder #292
- Blob (@longo-andrea) Blob #295
- File and FileReader (@longo-andrea) File and FileReader #296
Network requests
- Fetch
- FormData (@fsciuti)
- Fetch: Download progress (@fsciuti)
- Fetch: Abort (@fsciuti)
- Fetch: Cross-Origin Requests (@fsciuti)
- Fetch API (@pierangelomiceli) Fetch api #222
- URL objects (@pierangelomiceli) URL objects #271
- XMLHttpRequest (@pierangelomiceli) XMLHttpRequest #274
- Resumable file upload (@pierangelomiceli) Resumable file upload #275
- Long polling (@pierangelomiceli) Long polling #192
- WebSocket (@pierangelomiceli) WebSocket #129
- Server Sent Events (@pierangelomiceli ) Server Sent Events #180
Storing data in the browser
- Cookies, document.cookie (@Automatron76)
- LocalStorage, sessionStorage (@Automatron76)
- IndexedDB (@pierangelomiceli)
Animation
- Bezier curve (@longo-andrea) Bezier curve #283
- CSS-animations (@longo-andrea) CSS-animations #285
- JavaScript animations (@longo-andrea) JavaScript animations #287
Web components
- From the orbital height (@pierangelomiceli) From the orbital height #276
- Custom elements (@pierangelomiceli) Custom elements #277
- Shadow DOM and events (@pierangelomiceli)
- Template element (@pierangelomiceli) Template element #307
- Shadow DOM slots, composition (@pierangelomiceli) Shadow DOM slots, composition #317
- Shadow DOM styling (@pierangelomiceli) Shadow DOM styling #322
- Shadow DOM and events (@pierangelomiceli) Shadow DOM and events #290
Regular expressions
- Patterns and flags (@eadensplace) Patterns and flags #43
- Character classes (@eadensplace) Character classes #45
- Unicode: flag "u" and class \p{...} (@eadensplace)
- Anchors: string start ^ and end $ (@eadensplace) Anchors: string start ^ and end $ #48
- Multiline mode of anchors ^ $, flag "m" (@DavideDaSerra )
- Word boundary: \b (@marcellosurdi) Word boundary: \b #293
- Escaping, special characters (@longo-andrea) Escaping, special characters #288
- Sets and ranges [...] (@mrkrash)
- Quantifiers +, *, ? and {n} (@DavideDaSerra)
- Greedy and lazy quantifiers (@marcellosurdi) Greedy and lazy quantifiers #318
- Capturing groups (@marcellosurdi) Capturing groups #320
- Backreferences in pattern: \N and \k<name> (@marcellosurdi) Backreferences in pattern: \N and \k<name> #321
- Alternation (OR) | (@marcellosurdi) Alternation (OR) | #323
- Lookahead and lookbehind (@marcellosurdi) Lookahead and lookbehind #324
- Catastrophic backtracking (@antonio-f) Catastrophic backtracking #423
- Sticky flag "y", searching at position (@mrkrash)
- Methods of RegExp and String (@sen6pupi3)