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  2. CSS - Wikipedia

    en.wikipedia.org/wiki/CSS

    Cascading Style Sheets (CSS) is a style sheet language used for specifying the presentation and styling of a document written in a markup language such as HTML or XML (including XML dialects such as SVG, MathML or XHTML). [ 1 ] CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript.

  3. Front-end web development - Wikipedia

    en.wikipedia.org/wiki/Front-end_web_development

    JavaScript code can use the Document Object Model (DOM), provided by the HTML standard, to manipulate a web page in response to events, like user input. Using a technique called AJAX , JavaScript code can also actively retrieve content from the web (independent of the original HTML page retrieval), and also react to server-side events as well ...

  4. HTML - Wikipedia

    en.wikipedia.org/wiki/HTML

    e. Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It defines the content and structure of web content. It is often assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.

  5. Codecademy - Wikipedia

    en.wikipedia.org/wiki/Codecademy

    Codecademy offers courses covering languages such as Python, JavaScript, HTML/CSS, and Ruby, as well as specialized topics like web development, data science, and machine learning. The platform offers both free and paid subscription options. A paid subscription provides access to additional features and content.

  6. "Hello, World!" program - Wikipedia

    en.wikipedia.org/wiki/"Hello,_World!"_program

    program. A "Hello, World!" program is generally a simple computer program that emits (or displays) to the screen (often the console) a message similar to "Hello, World!". A small piece of code in most general-purpose programming languages, this program is used to illustrate a language's basic syntax. A "Hello, World!"

  7. Help:Editing - Wikipedia

    en.wikipedia.org/wiki/Help:Editing

    Wikipedia is a wiki, meaning anyone can edit nearly any [1] page and improve articles immediately. You do not need to register to do this, and anyone who has edited is known as a Wikipedian or editor. Small edits add up, and every editor can be proud to have made Wikipedia better for all. There are two editing interfaces: the new VisualEditor ...

  8. JavaScript - Wikipedia

    en.wikipedia.org/wiki/JavaScript

    JavaScript (/ ˈdʒɑːvəskrɪpt /), often abbreviated as JS, is a programming language and core technology of the Web, alongside HTML and CSS. 99% of websites use JavaScript on the client side for webpage behavior. [10] Web browsers have a dedicated JavaScript engine that executes the client code.

  9. How to Swim: Instructions for Beginners, Adults, and Kids

    www.healthline.com/health/exercise-fitness/how...

    To do it: Float with your face in the water, your body straight and horizontal. Stack your hands and keep your arms and legs long. Point your thumbs down. Press your hands out and back in a circle ...