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CodePen is an online community for testing and showcasing user-created HTML, CSS and JavaScript code snippets. It functions as an online code editor and open-source learning environment, where developers can create code snippets, called "pens," and test them. It was founded in 2012 by full-stack developers Alex Vazquez and Tim Sabat and front ...
Playground Access PHP Ruby/Rails Python/Django SQL Other dbfiddle [am]: Free No No No Yes Db2, Firebird, MariaDB, MySQL, Node.js, Oracle, Postgres, SQL Server, SQLite, YugabyteDB
W3Schools is a freemium educational website for learning coding online. [ 1][ 2] Initially released in 1998, it derives its name from the World Wide Web but is not affiliated with the W3 Consortium. [ 3][ 4][unreliable source] W3Schools offers courses covering many aspects of web development. [ 5] W3Schools also publishes free HTML templates.
A webform, web form or HTML form on a web page allows a user to enter data that is sent to a server for processing. Forms can resemble paper or database forms because web users fill out the forms using checkboxes, radio buttons, or text fields. For example, forms can be used to enter shipping or credit card data to order a product, or can be ...
Java. Type. Ajax framework. License. Apache License 2.0. Website. www .gwtproject .org. Google Web Toolkit ( GWT / ˈɡwɪt / ), or GWT Web Toolkit, [ 1] is an open-source set of tools that allows web developers to create and maintain JavaScript front-end applications in Java. It is licensed under Apache License 2.0.
HTML is a markup language that defines the structure and presentation of web pages. It is one of the core technologies of the World Wide Web, along with CSS and JavaScript. HTML allows creating and formatting text, images, links, tables, forms, and other elements on a web page. Learn more about the history, syntax, and features of HTML on Wikipedia.
To demonstrate specificity Inheritance Inheritance is a key feature in CSS; it relies on the ancestor-descendant relationship to operate. Inheritance is the mechanism by which properties are applied not only to a specified element but also to its descendants. Inheritance relies on the document tree, which is the hierarchy of XHTML elements in a page based on nesting. Descendant elements may ...
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