DHTML (Javascript DOM programming art)

DHTML is short for "Dynamic HTML" (Dynamic HTML). Strictly speaking, DHTML is not a single new technology, but a combination of HTML, CSS, and JavaScript.

DHTML:

Use HTML to mark webpages as various elements;

Use CSS to design typographical styles of various elements and determine their display position in the window;

Use JavaScript to manipulate and change various related styles in real time.

Dom is an API (ApplicationProgramAPI). Simply put, an API is a set of basic agreements that have been recognized by all parties.