Course Introduction：Implementing a back to top button with a smooth transition effect in CSS requires the following steps: Add an element with id="back-to-top"; set the button to fixed positioning, add styles (including initial transparency of 0); set the transparency to 1 when the button is hovered, and add a smooth transition effect; add scroll detection for the button using JavaScript, display the button when scrolling more than 100 pixels, and scroll smoothly to the top when clicking the button.
2025-04-04 comment 0 528
Course Introduction：The loading status design can improve the experience through timely feedback, visual prompts and avoiding blank spaces. 1. Use placeholders and loading animations, such as gray fake content combined with rotating icons, or use SVG/CSS to achieve loading effect; 2. The skeleton screen imitates the real content structure more natural; 3. Control the triggering timing, and the loading status does not display within 500 milliseconds to keep the interface stable; 4. Turn off loading and display error information when the request fails; 5. Select prompt method according to the scene, such as the button becomes "loading", the page is added with the top progress bar, and the local refresh uses the disabled button small icon, table/card recommended skeleton screen; 6. After loading, be sure to clean the state to prevent residue.
2025-07-13 comment 0 778
Course Introduction：The Reachability feature of the iPhone can be enabled via settings and used for one-handed operation. 1. Turn on: Go to "Settings" → "Assisted Functions" → "Touch" → "Reachability" and turn on the switch; 2. Use: Tap the home button twice for iPhone with home button, and tap the bottom edge of the screen twice for full-screen iPhone; 3. Applicable scenarios: convenient to click on the top button, close pop-up windows or notification bar quick settings, etc.; 4. Frequently asked questions: If it does not take effect, check whether it is turned on, avoid accidentally touching, or confirm whether the double-click position is at the bottom edge. This function is simple and practical, and can effectively improve operational convenience.
2025-07-19 comment 0 807
Course Introduction：SqlParameter Parameters.Add vs. AddWithValue: Choosing the Best MethodWhen working with SQL commands, you may encounter the need to add...
2025-01-10 comment 0 700
Course Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w
2025-01-10 comment 0 864
Course Elementary 13824
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 82360
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 13178
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 24628
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 27486
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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