Popper (Popper.js)
Business Profile
Core Value Proposition
Popper provides a positioning engine for tooltips and popovers in web applications.
Target Customer
Frontend developers and UI library authors building tooltips/popovers; teams using libraries like Bootstrap, Material UI, and React ecosystems.
Key Differentiator
Lightweight, highly configurable positioning engine with small bundle size (base ~2 kB minzipped; full ~5 kB minzipped), supports modular modifiers and tree-shaking, works in complex DOM contexts including nested scrolling and various offsetParents, and is widely adopted by major UI libraries.
Implementation Timeline
Not explicitly specified; installation and usage are straightforward via npm/yarn or CDN, enabling immediate adoption once integrated into a project
Pain Points
- 1Pure CSS approaches can lead to clipping/overflow where poppers are not prevented from overflowing viewport boundaries.
- 2CSS-only poppers cannot flip to fit the view or follow dynamic positioning requirements.
- 3Handling dynamic positioning across different DOM contexts, scrolling containers, and offsetParent variations is challenging without a robust JS engine.
Key Features
- 1Automatic positioning of tooltips/popovers relative to a reference element with arrow alignment
- 2Overflow prevention and automatic flipping to fit within the visible area
- 3Works across nested scrolling containers and different offsetParent contexts
- 4High configurability with modifiers/plugins for advanced use cases
- 5Lightweight, modular architecture with multiple distribution formats (esm, umd, cjs) and a Lite version for tree-shaking
- 6Official guidance and integration references (e.g., react-popper for React) and broad adoption in libraries like Bootstrap and Material UI
Target Customer Industries
Decision Makers
- 1Developer
Client Results
- 1Position updates take less than a millisecond on average devices
- 2Keeps tooltips/popovers in view and reduces detachment via overflow handling and flipping
- 3Widely used by millions of developers and integrated into popular libraries (e.g., Bootstrap, Material UI)
Competitive Advantages
- 1Granular configuration with sensible defaults
- 2No detachment: fast, continuous position updates without destabilizing the reference
- 3Lightweight and performant
- 4Free open-source under MIT License; widely adopted in production
- 5Extensible via modifiers and supports integration with frameworks (e.g., React via react-popper)
Key Benefits
Additional Product Information
Product Description
A positioning engine for tooltips and popovers that automatically places UI elements relative to a reference, with overflow prevention, flipping, and broad framework compatibility.
Target Market
Frontend developers building UI components and tooltips/popovers; teams designing or using UI libraries and component frameworks
Unique Value Proposition
A compact, fast, and extensible positioning engine that gracefully handles complex DOM contexts and provides robust features (overflow prevention, flipping) with modular architecture and broad ecosystem support
Technical Requirements
JavaScript library distributed as esm/umd/cjs; usable via npm/yarn or CDN; supports modular usage (Popper Lite) and requires a modern JS environment; React integration available via react-popper
Pricing Model
MIT License; Free Open Source
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