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the modern javascript tutorial en ar عربي en english es español fa فارسی fr français id indonesia it italiano ja 日本語 ko 한국어 ru русский tr türkçe uk українська zh 简体中文 we want to make this open source project available for people all around the world help to translate the content of this tutorial to your language buy epub pdf search search tutorial map light theme dark theme share عربي english español فارسی français indonesia italiano 日本語 한국어 русский türkçe українська 简体中文 the modern javascript tutorial how it s done now from the basics to advanced topics with simple but detailed explanations search last updated on march 16 2024 buy epub pdf share 22456 github discord chat table of contents main course contains 2 parts which cover javascript as a programming language and working with a browser there are also additional series of thematic articles part 1 the javascript language part 2 browser document events interfaces part 3 additional articles the javascript language here we learn javascript starting from scratch and go on to advanced concepts like oop we concentrate on the language itself here with the minimum of environment specific notes an introduction an introduction to javascript manuals and specifications code editors developer console 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 nullish coalescing operator loops while and for the switch statement functions function expressions arrow functions the basics javascript specials more 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 garbage collection object methods this constructor operator new optional chaining symbol type object to primitive conversion data types methods of primitives numbers strings arrays array methods iterables map and set weakmap and weakset object keys values entries destructuring assignment date and time json methods tojson more 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 scheduling settimeout and setinterval decorators and forwarding call apply function binding arrow functions revisited more object properties configuration property flags and descriptors property getters and setters prototypes inheritance prototypal inheritance f prototype native prototypes prototype methods objects without __proto__ classes class basic syntax class inheritance static properties and methods private and protected properties and methods extending built in classes class checking instanceof mixins error handling error handling try catch custom errors extending error promises async await introduction callbacks promise promises chaining error handling with promises promise api promisification microtasks async await generators advanced iteration generators async iteration and generators modules modules introduction export and import dynamic imports miscellaneous proxy and reflect eval run a code string currying reference type bigint unicode string internals weakref and finalizationregistry browser document events interfaces learning how to manage the browser page add elements manipulate their size and position dynamically create interfaces and interact with the visitor document browser environment specs dom tree walking the dom searching getelement queryselector node properties type tag and contents attributes and properties modifying the document styles and classes element size and scrolling window sizes and scrolling coordinates more introduction to events introduction to browser events bubbling and capturing event delegation browser default actions dispatching custom events ui events mouse events moving the mouse mouseover out mouseenter leave drag n drop with mouse events pointer events keyboard keydown and keyup scrolling forms controls form properties and methods focusing focus blur events change input cut copy paste forms event and method submit document and resource loading page domcontentloaded load beforeunload unload scripts async defer resource loading onload and onerror miscellaneous mutation observer selection and range event loop microtasks and macrotasks additional articles list of extra topics that assume you ve covered the first two parts of tutorial there is no clear hierarchy here you can read articles in the order you want frames and windows popups and window methods cross window communication the clickjacking attack binary data files arraybuffer binary arrays textdecoder and textencoder blob file and filereader network requests fetch formdata fetch download progress fetch abort fetch cross origin requests fetch api url objects xmlhttprequest resumable file upload long polling websocket server sent events more storing data in the browser cookies document cookie localstorage sessionstorage indexeddb animation bezier curve css animations javascript animations web components from the orbital height custom elements shadow dom template element shadow dom slots composition shadow dom styling shadow dom and events regular expressions patterns and flags character classes unicode flag u and class p anchors string start and end multiline mode of anchors flag m word boundary b escaping special characters sets and ranges quantifiers and n greedy and lazy quantifiers capturing groups backreferences in pattern n and k name alternation or lookahead and lookbehind catastrophic backtracking sticky flag y searching at position methods of regexp and string more share tutorial map comments read this before commenting if you have suggestions what to improve please submit a github issue or a pull request instead of commenting if you can t understand something in the article please elaborate to insert few words of code use the code tag for several lines wrap them in pre tag for more than 10 lines use a sandbox plnkr jsbin codepen 2007 2024 ilya kantor about the project contact us terms of usage privacy policy
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