fgnass/spin.js
Spin.js
spin.js is a CSS loading spinner library used to signal background processes through resolution-independent activity indicators. It provides a JavaScript animation wrapper that manages the lifecycle and document injection of these elements, allowing for the programmatic start and stop of loading states.
The project allows for the definition of spinner geometry, colors, and animation speed to match specific design systems. Users can customize the visual appearance through parameters such as line count, radius, and shadow effects, while also controlling rotation direction and timing.
The library covers general user interface patterns for asynchronous process feedback and loading state visualization. It utilizes CSS keyframe animations for rendering and includes capabilities for adjusting layout positioning and stacking order relative to parent elements.
Features
- Spinners - Provides resolution-independent loading spinners created with CSS keyframe animations to signal background processes.
- Activity Indicators - Provides a highly customizable activity indicator for giving visual feedback during asynchronous operations.
- CSS Animation Utilities - Utilizes a utility set of CSS keyframe animations to render rotating activity indicators.
- Visual Process Feedback - Provides immediate visual cues to users to signal the status of background tasks or API requests.
- Loading State Indicators - Visualizes the active state of background processes to prevent the user from perceiving the application as frozen.
- CSS Loading Spinner Libraries - Ships a complete library of resolution-independent activity indicators created with CSS keyframe animations.
- Resolution-Independent Rendering - Uses relative units and vector-like shapes to ensure the spinner remains sharp across different screen sizes.
- Advanced Styling - Allows detailed configuration of visual styles including line count, radius, and shadow effects.
- Animation Control - Enables precise control over the rotation direction, speed, and timing of the activity indicator.
- Appearance Customization - Provides capabilities to define visual geometry, colors, and line thickness to align with specific design systems.
- Lifecycle Management - Manages the lifecycle of the spinner by programmatically adding or removing the element from the document.
- Style Configurations - Provides a configuration layer to define custom geometry, colors, and animation speeds for loading indicators.
- Lifecycle Wrappers - Provides a JavaScript wrapper to manage the lifecycle and document injection of animated loading elements.
- CSS Animation Patterns - Implements resolution-independent spinning elements using pure CSS keyframe patterns for cross-browser performance.
- DOM Element Injection Utilities - Programmatically injects and removes spinner elements from the DOM to control the animation lifecycle.
- 进度条/加载动画(Loading) - Listed in the “进度条/加载动画(Loading)” section of the Awesome Frontend awesome list.
- Loading Indicators - Spinning progress indicator.
