HTML

HTML is the standard markup language for creating Web pages.

• HTML stands for Hyper Text Markup Language.
• HTML is the standard markup language for creating Web pages
• HTML describes the structure of a Web page.
• HTML consists of a series of elements.
• HTML elements tell the browser how to display the content.
• HTML elements label pieces of content such as "this is a heading", "this is a paragraph", "this is a link", etc.

CSS

CSS is the language we use to style a Web page.

• CSS stands for Cascading Style Sheets.
• CSS describes how HTML elements are to be displayed on screen, paper, or in other media.
• CSS saves a lot of work. It can control the layout of multiple web pages all at once.
• External stylesheets are stored in CSS files.
• CSS Syntax: Selector {Property:value;}

JavaScript

JavaScript is the world's most popular programming language.

• JavaScript is the programming language of the Web.
• JavaScript is easy to learn.
• JavaScript runs on the client side of the web.
• avaScript (often shortened to JS) is a lightweight, interpreted, object-oriented language with first-class functions.
• You can place the "script" tags, containing your JavaScript, anywhere within your web page.

PHP

PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages.

• PHP is an acronym for "PHP: Hypertext Preprocessor"
• PHP is a widely-used, open source scripting language
• PHP files can contain text, HTML, CSS, JavaScript, and PHP code
• PHP code is executed on the server, and the result is returned to the browser as plain HTML
• PHP files have extension ".php"

Node.js

Node.js is an open source server environment.

• Node.js allows you to run JavaScript on the server.
• Node.js uses JavaScript on the server
• Node.js uses asynchronous programming!
• Node.js eliminates the waiting, and simply continues with the next request.
• Download Node.js from the official Node.js web site: https://nodejs.org

MySQL

MySQL is a standard language for storing, manipulating and retrieving data in databases.

• MySQL stands for Structured Query Language.
• MySQL lets you access and manipulate databases.
• MySQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International Organization for Standardization (ISO) in 1987.