What is Java Script?
A high-level definition
JavaScript is a scripting or programming language that allows you to
implement complex things on web pages — every time a web page does more than
just sit there and display static information for you to look at — displaying
timely content updates, interactive maps, animated 2D/3D graphics, scrolling
video jukeboxes, etc. — you can bet that JavaScript is probably involved. It is
the third layer of the layer cake of standard web technologies, two of which (HTML and CSS) we have covered in
much more detail in other parts of the Learning Area.
·
HTML is
the markup language that we use to structure and give meaning to our web
content, for example defining paragraphs, headings, and data tables, or
embedding images and videos in the page.
·
CSS is
a language of style rules that we use to apply styling to our HTML content, for
example setting background colors and fonts, and laying out our content in
multiple columns.
·
JavaScript is
a scripting language that enables you to create dynamically updating content,
control multimedia, animate images, and pretty much everything else. (Okay, not
everything, but it is amazing what you can achieve with a few lines of
JavaScript code.)
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