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Course Introduction：To control CSS animations not to automatically play when the page is loaded, there are three methods to do so. 1. Use animation-play-state:paused to pause the animation, and then use JavaScript to start with .style.animationPlayState='running'; 2. Set a huge animation-delay value (such as 9999s) to delay playback, and use JS to set it to 0 seconds to trigger; 3. No animation classes are added at the beginning, and dynamically add an animation class through JS to control the playback timing.

2025-07-25 comment 0  1005

Course Introduction：CSS animation is most suitable for simple and high-performance UI effects, such as transition and hover animation, because of hardware acceleration and no JS is required; 2. WAAPI is suitable for sequence animations that require program control, and provides functions such as pause and reversal, with performance close to CSS and native support; 3. JS animation library (such as GSAP) is suitable for complex scenes such as scroll triggering or SVG deformation, with strong control power but increases the volume of the package and may block the main thread.

2025-07-29 comment 0  656

Course Introduction：H5 pages usually require JavaScript to achieve interactive and dynamic effects, but static pages do not. Alternatives include CSS animation, server-side rendering, and JS-free frameworks, but these methods have limitations. Therefore, it is crucial to learn and apply JavaScript to fully realize the full potential of H5.

2025-04-06 comment 0  408

Course Introduction：To make multiple animations play in sequence, you can set delays through CSS's animation-delay to achieve simple concatenation; use JavaScript to listen for events or setTimeout for dynamic control; or use the timeline functions of animation libraries such as GSAP to arrange animations in order. 1. The CSS method realizes sequential playback by adding a delay value equal to the duration of the previous animation to the subsequent animation, which is suitable for simple scenes; 2. The JS method triggers the next animation by listening to the animationend event or using setTimeout, which is flexible and controllable but requires compatibility; 3. Animation libraries such as GSAP provide timeline functions, which can easily manage complex animation sequences and support intervals and overlapping effects; pay attention to delay calculation

2025-07-05 comment 0  1014

Course Introduction：To start building an interactive UI using JavaFX, you must first correctly configure the environment and master the basic UI components, layout, event processing, FXML separation design, CSS style and animation effects. 1. When configuring JavaFX projects, if you use Maven, add javafx-controls dependencies; otherwise, manually configure the SDK and set the --module-path and --add-modules running parameters. 2. Create the main class to inherit Application, override the start() method, define Stage, Scene, control (such as Button, Label) and event response (such as setOnAction), and launch(

2025-07-28 comment 0  669

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  82361

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  13179

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.