Course Introduction：I want to realize that the top navigation and bottom copyright are placed at the top and bottom of the web page respectively, and there is no drop-down scroll bar on the right side.
2016-06-24 comment 0 1465
Course Introduction：Headers and footers are crucial in web page structure. 1. HTML5 uses and tags to define these areas to improve semantics and optimize SEO and accessibility; 2. It is often used on the top of a page or block, including title, navigation, logo, etc. It is recommended that a page only uses one global header and can be fixed through CSS; 3. Define the bottom of a page or block, usually containing copyright information, secondary navigation, etc., and should also keep the semantics clear and pay attention to auxiliary functions; 4. Fixed positioning and responsive design are recommended in the layout, and extracted into component reuse in combination with the front-end framework.
2025-07-10 comment 0 605
Course Introduction：Key Points The position: sticky property of CSS allows the navigation bar or other elements to remain visible when the user scrolls without having to pin it on the page. This property acts like a static position within its parent element until the given offset threshold is reached, at which point it is like the value is set to fixed. Traditionally, the method to achieve this effect involves JavaScript, where scrolling events of a page are listened to and using JavaScript to change the values ??of the position and top attributes based on the current position of the viewport. However, when the position of the element is changed to fixed , this method can cause problems, causing it to leave the page stream and the element below "upward
2025-02-21 comment 0 982
Course Introduction：Using HTML5 and tags can improve the semantic structure of web pages, enhance accessibility, SEO and code maintainability. 1. It is used at the top of the page or block, often containing titles, navigation, introductions, etc., and can be used multiple times; 2. It is located at the bottom of the page or block, usually displaying copyright information, contact information, related links, etc., and can also be reused in different blocks; 3. Avoid misuse of these tags or putting irrelevant content into it only because of style; 4. Examples of correct structure include the use of global and local head and tails to achieve a clear document level.
2025-07-03 comment 0 463
Course Introduction：Using semantic HTML elements not only improves code readability, but also enhances structural clarity, accessibility and SEO effects. 1. The header of a page or block often contains titles, navigation or logo; 2. Package main navigation links, such as the top menu or sidebar; 3. Define the unique main content area of ??the page and cannot be nested in other semantic tags; 4. Organize content blocks with titles to represent independent content units, such as blogs or product cards; 5. Place footer information, such as copyright notices or related links. Using these tags rationally can help build a clear-cut and easy-to-understand web page.
2025-06-21 comment 0 244
Course Elementary 13744
Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.
Course Elementary 82260
Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).
Course Elementary 13130
Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.
Course Elementary 24578
Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.
Course Elementary 27436
Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.
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