The difference between HTML, XHTML XML, and DHTML

XML andThe design difference of HTML is that XML is used to store data, which is the data itself. And HTML is used to define the data, and the display of the data is heavy. mode

XHTML (the Extensible Hypertext Markup Language (Extensible Identity language)) is actually an upgraded version of HTML. The purpose of this release is to make it easier for people to accept XML, because XML is in the direction of web development, essentially, XHTML is a transition technology that combines the powerful music symbols and other types of content. Performance issue-Requires to download the entire file in order to start a search for the file. Scalability, elasticity, legibility are poor.

DHTML: To be precise, DHTML is just a concept of making Web pages, and virtually no organization or institution has ever introduced so-called DHTML standards or technical specifications. DHTML is not a technology, standard, or specification, and DHTML is a design concept that uses existing Web technologies and language standards to create pages that can still transform page elements in real time after they are downloaded. DHTML is based on the original technology, can be divided into three aspects:

One is the HTML, that is, the pages of the various page element objects, they are dynamically manipulated content;

Second is the Css,css property is also dynamic manipulation of the content, so as to obtain a dynamic format effect;

Three is a client-side script (such as JavaScript) that actually manipulates HTML and CSS on a Web page.

uses DHTML technology to enable Web page designers to create pages that interact with server, and without reloading the Web page. This is because all functions are included in the HTML file and are downloaded to the browser side as a request to the Web page

Novice General Interview questions will ask: xhtml1.0 and HTML differences?

Difference:

The main difference between XHTML1.0 and HTML4.01 is that it adheres to the XML encoding conventions.

Labels cannot overlap, can be nested

Label and attribute are lowercase

The labels have to finish, either in the form or in the </p> <br /> form

Each property must have a property value, and the property value is in double quotation marks

Don't use it. nameid。

A small summary of the individual.

The difference between HTML, XHTML XML, and DHTML