课程: Web Programming Foundations
今天就开通帐号，24,700 门业界名师课程任您挑！
Content and structure
- [Instructor] Let's assume for a moment all web documents start with meaningful content written for humans. To carry that meaning to other humans through the web, we need to mark up these documents so the browser understands the structure of that content. HTML is a declarative, semantic, markup language, meaning we can use it to communicate meaning to whatever client application opens the document. Let's look at an example. In a standard web document, we'll typically find a header, a main section with an article, possibly some side-bars, and a footer. Each of these main blocks have their own semantic HTML elements, and you can see them here. We have a header, then a main section, within the main section an article, and finally a footer. By adding a beginning element tag, like header, before the content of a section and a corresponding end element tag, like end header, at the end, we tell the browser, "consider this…
下载课程离线学习
下载课程到移动设备，轻松离线学习。在领英学习 iOS 或安卓版 APP 下载课程