Getting Started with HTML, CSS, JavaScript, and the Awesome jQuery

HTML, CSS, and JavaScript are the most popular programming languages in the world. The web is built on them. Web browsers read and interpret HTML documents enhanced with CSS and JavaScript. While CSS keeps the HTML content looking pretty, JavaScript makes the content dynamic and interactive.

Now that we know all the history stuff, let’s get dirty and play with few basic examples using this fantastic tool called CodePen.

To enhance your first coding experience, use the infographic below as a blueprint while you are playing with the code examples. Do you see that? Blueprints, testing platforms. . . Are you an engineer or what?

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HTML Header

HTML, or HyperText Markup Language, is the standard markup language used to create web pages. Data displayed on HTML documents are contained within delimiters (called tags), and web browsers interpret the data as HTML elements. An HTML document is made up of HTML elements, and each HTML element contains data or more HTML elements.

HTML tags can have attributes defined in the start tag to differentiate, organize, and customize displayed HTML result.

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CSS Header

CSS, or Cascading Style Sheets, define how to display HTML elements. CSS has style rules composed of selectors separated by commas and a declaration block enclosed between brackets. Selectors target a specific range of HTML elements, and declarations modify the default web browser representation of selected HTML elements.

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JavaScript makes HTML documents dynamic by modifying HTML elements in response to user interactions, document status changes, and timer intervals. JavaScript communicates with HTML documents using the HTML DOM (Document Object Model), an interface that allows you to update HTML element properties and receive current status feedback.

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jQuery Header jQuery is the “write less, do more” JavaScript library. It simplifies HTML DOM manipulation. jQuery makes it much easier to deal with HTML elements, event methods, animation, external resources (AJAX), and cross-browser issues.

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