HTML refers to hypertext tag language. HTML is the key to the world of WEB technology. HTML properties: Common Properties HTML event for all tags: on...html5 adds a lot of event HTML video/audio: handles audio and video HTML canvas: Tags are used to draw images (via scripting, usually JavaScript).However, the,<canvas> element itself does not have the ability to draw (it is just a container for graphics)-You must use a script to accomplish the actual drawing task. HTML Document Type: HTML5, HTML 4.01/xhtml 1.0 (with 3 kinds of transitional, Strict, Frameset), XHTML 1.1 HTML Color Name: 16 binary number represents the color HTML character set: The Unicode standard is generic, HTML supports utf-8,xml both support utf-16html AscII: Part 128 of the character set that is used to transfer data over a network. HTML iso-8859-1: A character set, ISO-organized, and the Unicode standard utf-8 the beginning of more than 200 is this character. HTML symbols: Part of the character set, symbols HTML URL encoding: ASCII code in 16 notation for displaying non-standard letters and characters in browsers and plugins. Easy to transfer, sometimes seen in the address bar with the% HTML language code: The HTML lang attribute can be used for Web pages or for the language of some Web pages. This is helpful for search engines and browsers.according to the recommendation criteria, you should declare the primary language on each page through the lang attribute in the
XHTML is a more rigorous and pure HTML version. XHTML is almost identical to HTML 4.01. <p> <a href= "http://validator.w3.org/check?uri=referer" ></a> </p>
HTML 5 is the next generation of HTML. HTML5 is still in perfect. However, most modern browsers already have some HTML5 support. Tag list: http://www.w3school.com.cn/tags/html_ref_byfunc.asp
CSS refers to cascading style sheets (cascading style Sheets). CSS controls the style and layout of the entire site at the same time. By combining with XHTML, CSS can help us to implement the development pattern of performance and structure separation. By implementing a style sheet, you can control the style of all HTML elements (that is, labels). The original HTML, not including the style tag, only the content tag, and later Netscape and IE are added to the style tags, such as fonts, font color, it is difficult to separate the content and style management, non-profit consortium launched a style, the browser support, the definition of the style is independent. Cascading refers to individual HTML elements, define multiple styles, prioritize which style to use, and multiple CSS to define styles for different HTML elements. Overview: Style definitions How to display HTML element styles are typically stored in style sheets to add styles to HTML 4.0, to solve the problem of separating content from performance external style sheets can greatly improve productivity external style sheets are typically stored in CSS files where multiple style definitions can cascade to a
Latest Generation style sheet
Internet Communication Protocol
{ Development 1 Site building website building the future of technology html4.01cssxhtml-html needs to be mastered. HTML5 is the new standard xmlxslt for HTML, XHTML, and HTML DOM. XML client script that is used to transform XML into browser-aware. For example, JavaScript server-side scripting. ASP, PHP uses SQL to manage data for future new technologies. static to dynamic; new browser website product design and design site needs rigorous thinking and thoughtful planning the most important thing is to understand that your audience users are viewers. Generally only a few seconds to stay, the most important to directly present. Less is more. Navigation. All pages are navigated together to keep the whole station structure clear for visitors to browse. Download speed. Usability studies tell us that most visitors will choose to leave if the page is downloaded for more than 7 seconds. Allow your users to speak. Can get a lot of useful feedback from people who are different in technology and knowledge. In-depth understanding of site users your users are using different software and hardware The most important thing is to know what monitor your users are using. Resolution support 1024x768, resolution size variable to adapt to different displays. What browsers they use. What plugins they have installed. Your Web page uses the plug-in, the user has the permission to have, users have how to help people with disabilities. These users may, perhaps, probably also need to visit your website. This is the blue sea??? Users are the visitors. It usually takes only a few seconds to see your page. Website standards developed according to standards, more easily face multiple versions of various technologies. Also more convenient to collaborate, we follow the agreed rules. Site validation verifies that the page you are writing conforms to standards such as HTML files, CSS files, XHTML files, XML, WML (similar to HTML). The WWW standard was founded by the World Wide Web Consortium. The mission of the World Wide Web is to develop the potential of the WWW through the development of norms, guidelines, software and tools. The most important standard is:htmlxhtmlcssxmlxsldom website security at the moment, you have provided your IP address to the entire world. Make sure that you do not provide access to private data at the same time. Your IP address is a public, fixed IP address that takes a greater risk. Browser information information for various popular browsers &NBSP; Site quality uses the latest web standards. html4.01 or re-express html4.01 XHTML with XML. Use CSS1 or 2 or 3. The validation Web page through the Web Validation tool. Enhance the readability of web pages. Write a page based on the guidelines of Wai (Web Accessibility Initiative). Even people with disabilities can read. HTML element content is more reasonable. If the meaning of title is correct, instead of H1 tag, use H1 to avoid causing trouble to search engine; DOCTYPE content is correct. Use style sheet considerations. Not the page file using the font tag, change to CSS, do not change the font needs to change a lot of places, to change the CSS one, do not use a fixed font size, the use of relative dimension values, when adjusting the browser display scale, will follow the changes in the display scale, do not use a small default font size, font and background color, Not have the same effect on reading. The readability of the word is better. will not be able to see clearly; do not squeeze the words together, or the spacing is too large; avoid fancy fonts; Use the ALT attribute in order to close the browser picture display. Internationalization. Semantic Web an e-commerce website
Front-end-HTML and CSS
