The front end is the foreground part of the website, which runs on browsers such as PC and mobile to display web pages for users to browse. With the development of Internet technology and the application of HTML5, CSS3 and front-end framework, cross-platform responsive web page design can adapt to various screen resolutions, improve dynamic design and bring users a very high user experience.
Front-end technology is generally divided into front-end design and front-end development. Front-end design can generally be understood as the visual design of the website, while front-end development is the realization of the front-end code of the website, including basic HTML and CSS, JavaScript/ajax, the latest advanced versions of HTML5, CSS3 and SVG.
Front-end core technology HTML:
Hypertext Markup Language? Hypertext Markup Language (Hypertext Markup Language), which is also the most commonly used general language in our web pages, has developed to version 5.0 after several versions. Thanks to the standards and specifications formulated by W3C, it has been generally upgraded to XHTML, which refers to extensible hypertext markup language.
XHTML became W3C standard on June 26th, 2000, which is a stricter and purer HTML code. The goal of XHTML is to replace HTML. XHTML is similar to HTML 4.0 1. XHTML has been redefined as an XML application, which is a W3C standard. W3C defines XHTML as the latest HTML version. All new browsers support XHTML.