DHTML Introduction
DHTML is the art of combining HTML, JavaScript, DOM, and CSS.
What you should already know
Before you continue you should have a basic understanding of the following:
If you want to study these subjects first, find the tutorials on our Home Page.
DHTML is NOT a Language
DHTML stands for Dynamic HTML.
DHTML is NOT a language or a web standard.
DHTML is a TERM used to
describe the technologies used to make web pages dynamic and interactive.
To most people DHTML means the combination of HTML,
JavaScript, DOM, and CSS.
According to the World Wide Web Consortium (W3C):
"Dynamic HTML is a term used by some vendors to describe the combination
of HTML, style sheets and scripts that allows documents to be animated."
DHTML Technologies
Below is a listing of DHTML technologies.
HTML 4
The W3C HTML 4 standard has rich support for dynamic content:
- HTML supports JavaScript
- HTML supports the Document Object Model (DOM)
- HTML supports HTML Events
- HTML supports Cascading Style Sheets (CSS)
DHTML is about using these features to create dynamic and interactive web
pages.
JavaScript
JavaScript is the scripting standard for HTML.
DHTML is about using JavaScript to control, access and manipulate HTML
elements.
You can read more about this in the next chapter of this tutorial.
HTML DOM
The HTML DOM is the W3C standard Document Object Model for HTML.
The HTML DOM defines a standard set of objects for HTML, and a standard way
to access and manipulate them.
DHTML is about using the DOM to access and manipulate HTML elements.
You can read more about this in a later chapter of this tutorial.
HTML Events
The W3C HTML Event Model is a part of the HTML DOM.
It defines a standard way to handle HTML events.
DHTML is about creating web pages that reacts to (user)events.
You can read more about this in a later chapter of this tutorial.
CSS
CSS is the W3C standard style and layout model for HTML.
CSS allows web developers to control
the style and layout of web pages.
HTML 4 allows dynamic changes to CSS.
DHTML is about using JavaScript and DOM to change the style and positioning of HTML
elements.
You can read more about this in a later chapter of this tutorial.
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