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https://developer.mozilla.org/en-US/docs/Web/JavaScript JavaScript | MDN JavaScript (JS) is a lightweight interpreted (or just-in-time compiled) programming language with first-class functions. While it is most well-known as the... javascript mdn https://developer.mozilla.org/en-US/ MDN Web Docs The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps. mdn web docs https://developer.mozilla.org/en-US/docs/Web/HTML HTML: HyperText Markup Language | MDN HTML (HyperText Markup Language) is the most basic building block of the Web. It defines the meaning and structure of web content. Other technologies besides... hypertext markup language html mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise Promise - JavaScript | MDN The Promise object represents the eventual completion (or failure) of an asynchronous operation and its resulting value. promise javascript mdn https://developer.mozilla.org/en-US/docs/Web/CSS CSS: Cascading Style Sheets | MDN Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in HTML or XML (including XML dialects such as... cascading style sheets css mdn https://developer.mozilla.org/en-US/docs/Web/SVG SVG: Scalable Vector Graphics | MDN Scalable Vector Graphics (SVG) is an XML-based markup language for describing two-dimensional based vector graphics. svg scalable vector graphics mdn https://developer.mozilla.org/en-US/docs/Web/API/IndexedDB_API IndexedDB API - Web APIs | MDN IndexedDB is a low-level API for client-side storage of significant amounts of structured data, including files/blobs. This API uses indexes to enable... api web indexeddb apis mdn https://developer.mozilla.org/en-US/docs/Web/Progressive_web_apps Progressive web apps | MDN A progressive web app (PWA) is an app that's built using web platform technologies, but that provides a user experience like that of a platform-specific app. progressive web apps mdn https://github.com/mdn/browser-compat-data GitHub - mdn/browser-compat-data: Browser compatibility data for Web technologies as displayed on... Browser compatibility data for Web technologies as displayed on MDN - mdn/browser-compat-data https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API Canvas API - Web APIs | MDN canvas api web apis mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules JavaScript modules - JavaScript | MDN This guide gives you all you need to get started with JavaScript module syntax. javascript modules mdn https://developer.mozilla.org/en-US/docs/Web/API Web APIs | MDN When writing code for the Web, there are a large number of Web APIs available. Below is a list of all the APIs and interfaces (object types) that you may be... web apis mdn https://mastodon.social/@mdn MDN Web Docs (@mdn@mastodon.social) - Mastodon 560 Posts, 6 Following, 2.8K Followers · The official MDN Web Docs account. We deliver the best web docs around. Visit → https://mdn.dev Contribute →... mdn web docs mastodon social https://developer.mozilla.org/en-US/docs/Web/API/Service_Worker_API Service Worker API - Web APIs | MDN Service workers essentially act as proxy servers that sit between web applications, the browser, and the network (when available). They are intended, among... service worker api web apis mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals Template literals (Template strings) - JavaScript | MDN Template literals are literals delimited with backtick (`) characters, allowing for multi-line strings, string interpolation with embedded expressions, and... template literals strings javascript mdn https://developer.mozilla.org/en-US/docs/Web/API/Window/localStorage Window: localStorage property - Web APIs | MDN The localStorage read-only property of the window interface allows you to access a Storage object for the Document's origin; the stored data is saved across... web apis window localstorage property mdn https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch Using the Fetch API - Web APIs | MDN The Fetch API provides a JavaScript interface for making HTTP requests and processing the responses. the fetch api web apis using mdn https://developer.mozilla.org/en-US/docs/Web/API/Web_Bluetooth_API Web Bluetooth API - Web APIs | MDN The Web Bluetooth API provides the ability to connect and interact with Bluetooth Low Energy peripherals. web bluetooth api apis mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace String.prototype.replace() - JavaScript | MDN The replace() method of String values returns a new string with one, some, or all matches of a pattern replaced by a replacement. The pattern can be a string... string prototype replace javascript mdn https://developer.mozilla.org/en-US/docs/Glossary/Baseline/Compatibility Baseline (compatibility) - Glossary | MDN Baseline identifies the availability of web platform features across popular browsers, including APIs, CSS properties, and JavaScript syntax. Baseline... baseline compatibility glossary mdn https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API Intersection Observer API - Web APIs | MDN The Intersection Observer API provides a way to asynchronously observe changes in the intersection of a target element with an ancestor element or with a... intersection observer api web apis mdn https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/CSP Content Security Policy (CSP) - HTTP | MDN Content Security Policy (CSP) is a feature that helps to prevent or minimize the risk of certain types of security threats. It consists of a series of... content security policy csp http mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl Intl - JavaScript | MDN The Intl namespace object contains several constructors as well as functionality common to the internationalization constructors and other language sensitive... intl javascript mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax Spread syntax (...) - JavaScript | MDN The spread (...) syntax allows an iterable, such as an array or string, to be expanded in places where zero or more arguments (for function calls) or elements... spread syntax javascript mdn https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Properties/scale scale CSS property - CSS | MDN The scale CSS property allows you to specify scale transforms individually and independently of the transform property. This maps better to typical user... scale css property mdn https://developer.mozilla.org/en-US/docs/Web/API/Element/classList Element: classList property - Web APIs | MDN The read-only classList property of the Element interface contains a live DOMTokenList collection representing the class attribute of the element. This can... web apis element classlist property mdn https://developer.mozilla.org/zh-CN/docs/Web/API/HTMLVideoElement/requestPictureInPicture HTMLVideoElement：requestPictureInPicture() 方法 - Web API | MDN HTMLVideoElement 接口提供的 requestPictureInPicture() 方法会发出异步请求，并以画中画的模式显示视频。 web api mdn https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA ARIA - Accessibility | MDN Accessible Rich Internet Applications (ARIA) is a set of roles and attributes that define ways to make web content and web applications (especially those... aria accessibility mdn https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams URLSearchParams - Web APIs | MDN The URLSearchParams interface defines utility methods to work with the query string of a URL. web apis urlsearchparams mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/exec RegExp.prototype.exec() - JavaScript | MDN The exec() method of RegExp instances executes a search with this regular expression for a match in a specified string and returns a result array, or null. regexp prototype exec javascript mdn https://developer.mozilla.org/en-US/docs/Web/API/DOMTokenList DOMTokenList - Web APIs | MDN The DOMTokenList interface represents a set of space-separated tokens. Such a set is returned by Element.classList or HTMLLinkElement.relList, and many others. web apis domtokenlist mdn https://developer.mozilla.org/en-US/docs/Web/API/AbortController AbortController - Web APIs | MDN The AbortController interface represents a controller object that allows you to abort one or more Web requests as and when desired. web apis abortcontroller mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide JavaScript Guide - JavaScript | MDN The JavaScript Guide shows you how to use JavaScript and gives an overview of the language. If you need exhaustive information about a language feature, have a... javascript guide mdn https://developer.mozilla.org/en-US/docs/Web/API/Document_Object_Model Document Object Model (DOM) - Web APIs | MDN The Document Object Model (DOM) connects web pages to scripts or programming languages by representing the structure of a document—such as the HTML... document object model web apis dom mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify JSON.stringify() - JavaScript | MDN The JSON.stringify() static method converts a JavaScript value to a JSON string, optionally replacing values if a replacer function is specified or optionally... json stringify javascript mdn https://developer.mozilla.org/en-US/docs/Glossary/HTML5 HTML5 - Glossary | MDN The term HTML5 is essentially a buzzword that refers to a set of modern web technologies. This includes the HTML Living Standard, along with JavaScript APIs to... glossary mdn https://developer.mozilla.org/en-US/docs/Web/API/WebGPU_API WebGPU API - Web APIs | MDN The WebGPU API enables web developers to use the underlying system's GPU (Graphics Processing Unit) to carry out high-performance computations and draw complex... api web webgpu apis mdn https://developer.mozilla.org/en-US/docs/Glossary Glossary of web terms | MDN Web technologies use many types of jargon, acronyms, and abbreviations in documentation, code, and other contexts. This glossary provides definitions of words... glossary of web terms mdn https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API/WebGL_best_practices WebGL best practices - Web APIs | MDN WebGL is a complicated API, and it's often not obvious what the recommended ways to use it are. This page tackles recommendations across the spectrum of... best practices web apis webgl mdn https://developer.mozilla.org/en-US/docs/Web/API/HTMLFormElement/submit_event HTMLFormElement: submit event - Web APIs | MDN submit event web apis htmlformelement mdn https://developer.mozilla.org/en-US/docs/Web/API/Gamepad_API Gamepad API - Web APIs | MDN The Gamepad API is a way for developers to access and respond to signals from gamepads and other game controllers in a simple, consistent way. It contains... gamepad api web apis mdn https://developer.mozilla.org/en-US/docs/Web/API/EventSource EventSource - Web APIs | MDN The EventSource interface is web content's interface to server-sent events. web apis eventsource mdn https://developer.mozilla.org/en-US/docs/Web/API/Element/moveBefore Element: moveBefore() method - Web APIs | MDN The moveBefore() method of the Element interface moves a given Node inside the invoking node as a direct child, before a given reference node. web apis element method mdn https://developer.mozilla.org/en-US/observatory/analyze?host=thuliteio.netlify.app Scan results - HTTP Observatory | MDN Test your site’s HTTP headers, including CSP and HSTS, to find security problems and get actionable recommendations to make your website more secure. Test... scan results http observatory mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object Object - JavaScript | MDN The Object type represents one of JavaScript's data types. It is used to store various keyed collections and more complex entities. Objects can be created... object javascript mdn https://developer.mozilla.org/en-US/docs/Web/API/Element/closest Element: closest() method - Web APIs | MDN The closest() method of the Element interface traverses the element and its parents (heading toward the document root) until it finds a node that matches the... web apis element closest method mdn https://developer.mozilla.org/en-US/docs/Web/API/Web_components Web Components - Web APIs | MDN Web Components is a suite of different technologies allowing you to create reusable custom elements — with their functionality encapsulated away from the rest... web components apis mdn https://developer.mozilla.org/en-US/docs/Web Web technology for developers | MDN The open Web presents incredible opportunities for developers. To take full advantage of these technologies, you need to know how to use them. Below you'll... web technology for developers mdn https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events Using server-sent events - Web APIs | MDN Developing a web application that uses server-sent events is straightforward. You'll need a bit of code on the server to stream events to the front-end, but... server sent events web apis using mdn https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver ResizeObserver - Web APIs | MDN The ResizeObserver interface reports changes to the dimensions of an Element's content or border box, or the bounding box of an SVGElement. web apis resizeobserver mdn https://developer.mozilla.org/en-US/docs/Web/API/Element/click_event Element: click event - Web APIs | MDN An element receives a click event when any of the following occurs: click event web apis element mdn https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events Server-sent events - Web APIs | MDN Traditionally, a web page has to send a request to the server to receive new data; that is, the page requests data from the server. With server-sent events,... server sent events web apis mdn https://developer.mozilla.org/en-US/docs/Web/API/WebRTC_API WebRTC API - Web APIs | MDN WebRTC (Web Real-Time Communication) is a technology that enables Web applications and sites to capture and optionally stream audio and/or video media, as well... webrtc api apis mdn https://developer.mozilla.org/en-US/docs/Web/API/File File - Web APIs | MDN The File interface provides information about files and allows JavaScript in a web page to access their content. web apis file mdn https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker ServiceWorker - Web APIs | MDN The ServiceWorker interface of the Service Worker API provides a reference to a service worker. Multiple browsing contexts (e.g., pages, workers, etc.) can be... web apis serviceworker mdn https://developer.mozilla.org/en-US/docs/Web/API/Worker/postMessage Worker: postMessage() method - Web APIs | MDN The postMessage() method of the Worker interface sends a message to the worker. The first parameter is the data to send to the worker. The data may be any... web apis worker postmessage method mdn https://developer.mozilla.org/en-US/docs/Web/API/View_Transition_API View Transition API - Web APIs | MDN The View Transition API provides a mechanism for easily creating animated transitions between different website views. This includes animating between DOM... view transition api web apis mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy Proxy - JavaScript | MDN The Proxy object enables you to create a proxy for another object, which can intercept and redefine fundamental operations for that object. proxy javascript mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort Array.prototype.sort() - JavaScript | MDN The sort() method of Array instances sorts the elements of an array in place and returns the reference to the same array, now sorted. The default sort order is... array prototype sort javascript mdn https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Selectors/::backdrop ::backdrop CSS pseudo-element - CSS | MDN The ::backdrop CSS pseudo-element is a box the size of the viewport, which is rendered immediately beneath any element being presented in the top layer. backdrop css pseudo element mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/import import() - JavaScript | MDN The import() syntax, commonly called dynamic import, is a function-like expression that allows loading an ECMAScript module asynchronously and dynamically into... import javascript mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions Arrow function expressions - JavaScript | MDN An arrow function expression is a compact alternative to a traditional function expression, with some semantic differences and deliberate limitations in usage: arrow function expressions javascript mdn https://developer.mozilla.org/en-US/docs/Web/API/Element/querySelector Element: querySelector() method - Web APIs | MDN The querySelector() method of the Element interface returns the first element that is a descendant of the element on which it is invoked that matches the... web apis element queryselector method mdn https://developer.mozilla.org/en-US/docs/Web/Progressive_web_apps/Guides/Installing Installing and uninstalling web apps - Progressive web apps | MDN This guide covers how users can install and uninstall PWAs on their devices. If you want to learn about making a web app installable as a PWA, see Making PWAs... installing and uninstalling web apps progressive mdn https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/CORS Cross-Origin Resource Sharing (CORS) - HTTP | MDN Cross-Origin Resource Sharing (CORS) is an HTTP-header based mechanism that allows a server to indicate any origins (domain, scheme, or port) other than its... cross origin resource sharing cors http mdn https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Status/301 301 Moved Permanently - HTTP | MDN The HTTP 301 Moved Permanently redirection response status code indicates that the requested resource has been permanently moved to the URL in the Location... moved permanently http mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/label Labeled statement - JavaScript | MDN A labeled statement is any statement that is prefixed with an identifier. You can jump to this label using a break or continue statement nested within the... labeled statement javascript mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create Object.create() - JavaScript | MDN The Object.create() static method creates a new object, using an existing object as the prototype of the newly created object. object create javascript mdn https://developer.mozilla.org/en-US/docs/Web/API/Document/querySelector Document: querySelector() method - Web APIs | MDN The Document method querySelector() returns the first Element within the document that matches the specified CSS selector, or group of CSS selectors. If no... web apis document queryselector method mdn https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/SIMD WebAssembly SIMD-specific instructions - WebAssembly | MDN WebAssembly SIMD (single instruction, multiple data) instructions. specific instructions webassembly simd mdn https://developer.mozilla.org/en-US/docs/Web/API/URL_Pattern_API URL Pattern API - Web APIs | MDN The URL Pattern API defines a syntax that is used to create URL pattern matchers. These patterns can be matched against URLs or individual URL components. api web url pattern apis mdn https://developer.mozilla.org/en-US/docs/Web/API/Element/querySelectorAll Element: querySelectorAll() method - Web APIs | MDN The Element method querySelectorAll() returns a static (not live) NodeList representing a list of elements matching the specified group of selectors which are... web apis element queryselectorall method mdn https://developer.mozilla.org/en-US/docs/Glossary/Semantics Semantics - Glossary | MDN In programming, Semantics refers to the meaning of a piece of code — for example semantics glossary mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters Rest parameters - JavaScript | MDN The rest parameter syntax allows a function to accept an indefinite number of arguments as an array, providing a way to represent variadic functions in... rest parameters javascript mdn https://developer.mozilla.org/en-US/docs/Web/API/Document/cookie Document: cookie property - Web APIs | MDN The Document property cookie lets you read and write cookies associated with the document. It serves as a getter and setter for the actual values of the... web apis document cookie property mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array Array - JavaScript | MDN The Array object, as with arrays in other programming languages, enables storing a collection of multiple items under a single variable name, and has members... array javascript mdn https://developer.mozilla.org/en-US/docs/Web/API/Geolocation_API Geolocation API - Web APIs | MDN The Geolocation API allows the user to provide their location to web applications if they so desire. For privacy reasons, the user is asked for permission to... geolocation api web apis mdn https://developer.mozilla.org/en-US/docs/Web/API/Node Node - Web APIs | MDN The DOM Node interface is an abstract base class upon which many other DOM API objects are based, thus letting those object types be used similarly and often... web apis node mdn https://developer.mozilla.org/en-US/docs/Web/API/Window/requestAnimationFrame Window: requestAnimationFrame() method - Web APIs | MDN The window.requestAnimationFrame() method tells the browser you wish to perform an animation. It requests the browser to call a user-supplied callback function... web apis window requestanimationframe method mdn https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API Web Workers API - Web APIs | MDN Web Workers makes it possible to run a script operation in a background thread separate from the main execution thread of a web application. The advantage of... web workers api apis mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/const const - JavaScript | MDN The const declaration declares block-scoped local variables. The value of a constant can't be changed through reassignment using the assignment operator, but... const javascript mdn https://developer.mozilla.org/en-US/docs/Web/API/EyeDropper EyeDropper - Web APIs | MDN The EyeDropper interface represents an instance of an eyedropper tool that can be opened and used by the user to select colors from the screen. web apis eyedropper mdn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice Array.prototype.slice() - JavaScript | MDN The slice() method of Array instances returns a shallow copy of a portion of an array into a new array object selected from start to end (end not included)... array prototype slice javascript mdn https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Using_web_workers Using Web Workers - Web APIs | MDN Web Workers are a simple means for web content to run scripts in background threads. The worker thread can perform tasks without interfering with the user... web workers using apis mdn https://developer.mozilla.org/en-US/docs/Glossary/WebRTC WebRTC - Glossary | MDN WebRTC (Web Real-Time Communication) is an API that can be used by video-chat, voice-calling, and P2P-file-sharing Web apps. webrtc glossary mdn https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/select select HTML select element - HTML | MDN html element select mdn https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/marquee marquee HTML marquee element - HTML | MDN html element marquee mdn https://developer.mozilla.org/en-US/docs/Web/Performance Web performance | MDN Web performance is the objective measurements and the perceived user experience of load time and runtime. Web performance is how long a site takes to load,... web performance mdn https://developer.mozilla.org/en-US/docs/Web/API/Blob Blob - Web APIs | MDN The Blob interface represents a blob, which is a file-like object of immutable, raw data; they can be read as text or binary data, or converted into a... web apis blob mdn https://developer.mozilla.org/de/docs/Web/JavaScript JavaScript | MDN JavaScript (JS) ist eine leichtgewichtige, interpretierte (oder Just-in-Time compilierte) Programmiersprache mit First-Class Funktionen. Obwohl es am... javascript mdn https://developer.mozilla.org/en-US/docs/Glossary/MVC MVC - Glossary | MDN MVC (Model-View-Controller) is a pattern in software design commonly used to implement user interfaces, data, and controlling logic. It emphasizes a separation... mvc glossary mdn https://developer.mozilla.org/en-US/docs/Glossary/Progressive_Enhancement Progressive enhancement - Glossary | MDN Progressive enhancement is a design philosophy that provides a baseline of essential content and functionality to as many users as possible, while delivering... progressive enhancement glossary mdn https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D CanvasRenderingContext2D - Web APIs | MDN web apis mdn https://developer.mozilla.org/en-US/docs/Web/API/FileReader FileReader - Web APIs | MDN The FileReader interface lets web applications asynchronously read the contents of files (or raw data buffers) stored on the user's computer, using File or... web apis filereader mdn https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API WebGL: 2D and 3D graphics for the web - Web APIs | MDN for the web apis webgl graphics mdn https://developer.mozilla.org/en-US/docs/Glossary/DSL/Digital_subscriber_line DSL (Digital Subscriber Line) - Glossary | MDN DSL (Digital Subscriber Line) is a type of broadband internet connection that sends wired data transmissions over telephone lines. digital subscriber line dsl glossary mdn https://developer.mozilla.org/de/docs/Web/API/Event/preventDefault Event: preventDefault()-Methode - Web-APIs | MDN Die preventDefault()-Methode des Event-Interfaces teilt dem User-Agent mit, dass das Ereignis explizit behandelt wird, sodass die Standardaktion, wie z.B. das... web apis event methode mdn https://developer.mozilla.org/zh-CN/docs/Learn_web_development 学习 Web 开发 | MDN 欢迎来到 MDN 学习 Web 开发区（也被大家称为学习区）。我们在此提供一组结构化的教程指南，帮助你掌握要成为一名成功的前端开发者所需要具备的核心技巧与实践方式，同时也为你提供了若干挑战与推荐的进阶资源。 web mdn https://manuel-strehl.de/greppable-mdn Searching MDN on the Command Line — Manuel Strehl The Mozilla Developer Network recently switched its infrastructure. Now, the MDN content is stored in a Github repository in the form of HTML files with YAML... the command line searching mdn manuel https://www.megliodiniente.com/tag/collasso/ collasso - MDN Network mdn network