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HTML
HyperText Markup Language is the core syntax for putting information on the worldwide web. If you want to create or modify web pages, it's best if you learn HTML.
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CSS
Cascading Style Sheets is a language for describing the appearance of web pages. To create good-looking web pages, you need to learn CSS in order to define the appearance and location of the HTML elements within the pages.
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JavaScript
JavaScript (JS for short) is the programming language that enables web pages to respond to user interaction beyond the basic level provided by HTML links and forms.
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