2. Also called
Client-Side Development
The practice of converting data to a graphical interface, through the use of HTML, CSS, and
JavaScript, so that users can view and interact with that data. ~ Wikipedia
3. Core languages
➔ HTML
the standard markup language for
documents designed to be displayed in
a web browser
➔ CSS
to describe the presentation of a
document written in HTML or XML
➔ JavaScript
a high-level, interpreted scripting
language