Revisione articoli seconda parte

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Ciao a tutti 👋
Innanzitutto vi ringrazio per il grande supporto che mi state dando nella traduzione del tutorial!
Avendo quasi concluso la traduzione della seconda parte del tutorial, è necessaria una revisione degli articoli tradotti, in modo da risolvere eventuali errori/migliorarne la qualità.

Importante
Prima di partire con una revisione verificate che non sia già stata effettuata o prenotata. Una volta deciso l'articolo da revisionare notificatelo con un commento, in questo modo evitiamo sovrapposizioni.

Per quanto riguarda le revisioni, per questo tipo di articoli sarà necessaria una sola approvazione!
La lista degli articoli da revisionare:

Document [done]

* [x] [Browser environment, specs](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/1-document/01-browser-environment) (@longo-andrea)
* [x] [DOM tree](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/1-document/02-dom-nodes) (@longo-andrea)
* [x] [Walking the DOM](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/1-document/03-dom-navigation) (@longo-andrea)
* [x] [Searching: getElement*, querySelector*](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/1-document/04-searching-elements-dom) (@longo-andrea)
* [x] [Node properties: type, tag and contents](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/1-document/05-basic-dom-node-properties) (@longo-andrea)
* [x] [Attributes and properties](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/1-document/06-dom-attributes-and-properties) (@longo-andrea)

Introduction to Events [done]

* [x] [Introduction to browser events](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/2-events/01-introduction-browser-events) (@longo-andrea)
* [x] [Bubbling and capturing](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/2-events/02-bubbling-and-capturing) (@longo-andrea)
* [x] [Event delegation](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/2-events/03-event-delegation) (@longo-andrea)
* [x] [Browser default actions](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/2-events/04-default-browser-action) (@longo-andrea)
* [x] [Dispatching custom events](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/2-events/05-dispatch-events) (@longo-andrea)

UI Events [done]

* [x] [Mouse events](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/3-event-details/1-mouse-events-basics) (@longo-andrea)
* [x] [Moving the mouse: mouseover/out, mouseenter/leave](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave) (@longo-andrea)
* [x] [Drag'n'Drop with mouse events](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/3-event-details/4-mouse-drag-and-drop) (@longo-andrea)
* [x] [Pointer events](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/3-event-details/6-pointer-events) (@longo-andrea)
* [x] [Keyboard: keydown and keyup](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/3-event-details/7-keyboard-events) (@longo-andrea)
* [x] [Scrolling](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/3-event-details/8-onscroll) (@longo-andrea)

Forms, controls [done]

* [x] [Form properties and methods](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/4-forms-controls/1-form-elements)
* [x] [Focusing: focus/blur](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/4-forms-controls/2-focus-blur)
* [x] [Events: change, input, cut, copy, paste](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/4-forms-controls/3-events-change-input)
* [x] [Forms: event and method submit](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/4-forms-controls/4-forms-submit)

Document and resource loading [done]

* [x] [Page: DOMContentLoaded, load, beforeunload, unload](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/5-loading/01-onload-ondomcontentloaded)
* [x] [Scripts: async, defer](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/5-loading/02-script-async-defer)
* [x] [Resource loading: onload and onerror](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/5-loading/03-onload-onerror)

Miscellaneous [done]

* [x] [Mutation observer](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/99-ui-misc/01-mutation-observer)
* [x] [Selection and Range](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/99-ui-misc/02-selection-range)
* [x] [Event loop: microtasks and macrotasks](https://github.com/javascript-tutorial/it.javascript.info/blob/master/2-ui/99-ui-misc/03-event-loop)

Frames and windows [done]

* [x] [Popups and window methods](https://github.com/javascript-tutorial/it.javascript.info/blob/master/3-frames-and-windows/01-popup-windows)
* [x] [Cross-window communication](https://github.com/javascript-tutorial/it.javascript.info/blob/master/3-frames-and-windows/03-cross-window-communication)
* [x] [The clickjacking attack](https://github.com/javascript-tutorial/it.javascript.info/blob/master/3-frames-and-windows/06-clickjacking)

## Network requests

* [x] [Fetch](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/01-fetch)
* [ ] [FormData](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/02-formdata)
* [ ] [Fetch: Download progress](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/03-fetch-progress)
* [ ] [Fetch: Abort](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/04-fetch-abort)
* [ ] [Fetch: Cross-Origin Requests](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/05-fetch-crossorigin)
* [ ] [Fetch API](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/06-fetch-api)
* [x] [URL objects](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/07-url)
* [ ] [XMLHttpRequest](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/08-xmlhttprequest)
* [x] [Resumable file upload](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/09-resume-upload)
* [ ] [Long polling](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/10-long-polling)
* [ ] [WebSocket](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/11-websocket)
* [ ] [Server Sent Events](https://github.com/javascript-tutorial/it.javascript.info/blob/master/5-network/12-server-sent-events)

Storing data in the browser [done]

* [x] [Cookies, document.cookie](https://github.com/javascript-tutorial/it.javascript.info/blob/master/6-data-storage/01-cookie)
* [x] [LocalStorage, sessionStorage](https://github.com/javascript-tutorial/it.javascript.info/blob/master/6-data-storage/02-localstorage)

## Regular expressions

* [x] [Patterns and flags](https://github.com/javascript-tutorial/it.javascript.info/blob/master/9-regular-expressions/01-regexp-introduction)
* [ ] [Character classes](https://github.com/javascript-tutorial/it.javascript.info/blob/master/9-regular-expressions/02-regexp-character-classes)
* [ ] [Unicode: flag "u" and class \\p{...}](https://github.com/javascript-tutorial/it.javascript.info/blob/master/9-regular-expressions/03-regexp-unicode) (da rivedere in buona parte, consultare l'originale in inglese)
* [ ] [Anchors: string start ^ and end $](https://github.com/javascript-tutorial/it.javascript.info/blob/master/9-regular-expressions/04-regexp-anchors)
* [ ] [Multiline mode of anchors ^ $, flag "m"](https://github.com/javascript-tutorial/it.javascript.info/blob/master/9-regular-expressions/05-regexp-multiline-mode)
* [ ] [Quantifiers +, *, ? and {n}](https://github.com/javascript-tutorial/it.javascript.info/blob/master/9-regular-expressions/09-regexp-quantifiers)

Scegli un articolo non selezionato tra i link elencati di Network requests o Regular expressions, quindi confronta la sua traduzione italiana con l’originale inglese. Commenta indicando l’articolo che stai prendendo per evitare sovrapposizioni, apporta le correzioni di revisione e termina quando l’articolo è pronto per l’approvazione richiesta.

Scritto dal modello di indicizzazione a partire dal testo della issue.