These demos are a practical guide to creating smooth and high-performance animations using the Web Animations API. You’ll learn how it leverages requestAnimationFrame under the hood for browser-optimized rendering and how to work with Animation and KeyframeEffect objects. The examples demonstrate that WAAPI is a modern alternative for creating animations, giving developers full control without sacrificing performance.
19 Web Animations API Examples
Draggable Image Track Parallax
demo & codeThis is a Draggable Image Track Parallax component. It replaces standard scrollbars with a custom, click-and-drag horizontal interface. Its function is to provide a highly kinetic, app-like browsing experience for image galleries, featuring an internal parallax effect where the images pan slightly inside their frames as the entire track moves.
Skeuomorphic Snowball Range Slider
demo & codeThis is a Skeuomorphic Snowball Range Slider. It re-imagines the standard HTML range input as a photorealistic physical object. Its function is to provide a highly tactile and playful interface where the slider’s thumb appears as a snowball, complete with a dynamic snow texture that seems to “roll” and cast realistic environmental shadows as it moves along its track.
Interactive Vertical Parallax Cursor Navigation
demo & codeThis is an Interactive Vertical Parallax Cursor Navigation. It combines large-scale typography with a dynamic image-reveal system. Its function is to provide an immersive, tactile menu experience for high-end creative portfolios, where the user’s cursor physically “steers” the list and uncovers visual content linked to each item.
Mouse-Reactive Floating Image Gallery
demo & codeThis is a Mouse-Reactive Floating Image Gallery. It places an oversized grid of visual assets behind the viewport, hidden by the overflow. Its function is to provide an immersive, explorative navigation experience where the user’s cursor physically steers the scene across a scattered landscape of content.
Adaptive Morphing Mouse Cursor Trailer
demo & codeThis is an Adaptive Morphing Mouse Cursor Trailer. It replaces or augments the native pointer with a fluid, high-fidelity visual follower that reacts to the underlying DOM content. Its function is to provide immediate, contextual feedback by scaling up and revealing descriptive icons when the user interacts with specific “interactable” elements.
Animated Fluid Grid Product Filter
demo & codeThis is an Animated Fluid Grid Product Filter. It structures a dynamic catalog where elements don’t just disappear but physically slide into their new positions. Its function is to solve the jarring layout shifts common in standard filtering by using the Web Animations API to interpolate container height and element coordinates simultaneously.
Popping Form Controls
demo & codeThis is a Popping Form Controls component. It replaces standard browser checkboxes and radio buttons with highly stylized, interactive versions. Its function is to provide delightful micro-interactions by triggering a localized, physics-based confetti burst whenever an input is successfully checked.
Cyberpunk Glitch Upgrade Modal
demo & codeThis is a Cyberpunk Glitch Upgrade Modal. It transforms a standard confirmation dialog into a highly stylized, cinematic interface. Its function is to provide explicit interaction boundaries using the native HTML Popover API, augmented with aggressive visual distortion (glitches) and integrated audio feedback for a deeply immersive user experience.
Playful Multi-Step Interaction
demo & codeThis Playful Multi-Step Interaction transforms a boring confirmation dialog into a delightful conversation. It guides the user through a short “chat” with a friendly avatar, using smooth animations and instant feedback. This pattern is perfect for onboarding flows, feedback forms, or any interface that benefits from a human touch, proving that standard interactions can be both functional and fun.
3D Tilt Mobile Navigation
demo & codeThis 3D Tilt Mobile Navigation concept adds a tactile, physical feel to mobile app menus. Unlike standard flat navigations, this component utilizes CSS perspective to “tilt” the entire menu bar towards the user’s touch point, simulating a floating surface. It pairs this effect with delightful SVG icon micro-interactions and a “fly-out” card transition for the content area, creating a highly polished, app-like experience on the web.
Web Animations, Sound, and Custom Cursor Mix
A technically very advanced component that uses modern APIs (WAAPI) to create unique, kinetic cursor tracking, effectively demonstrating the capabilities of high-performance, JS-controlled animation.
See the Pen Web Animations, Sound, and Custom Cursor Mix.
Deus Ex: Mankind Divided Loading Animation
A hypnotic, kaleidoscopic pattern that continuously transforms, pulses, and rotates, distracting the user while content loads.
See the Pen Deus Ex: Mankind Divided Loading Animation.
Silky Smooth Toggles Volume 2
A collection of advanced SVG toggle switches featuring intricate micro-interactions powered by the Web Animations API. JavaScript classes orchestrate complex transforms on individual SVG rect elements - ranging from staggered offsets to randomized scattering - creating fluid, matrix-like transitions upon state change.
See the Pen Silky Smooth Toggles Volume 2.
Shared Layout Animation in React
Advanced transition state management in React - the Context API and a custom router track the previous route to trigger a shared animation only between specific pages.
See the Pen Shared Layout Animation in React.
Airplane Mode Animation Toggle Switch
A modern toggle switch animation utilizing pure CSS :checked selector states to drive complex plane take-off/landing @keyframes, augmented by vanilla JavaScript’s Web Animations API (WAAPI) for dynamic smoke particle generation and cleanup.
See the Pen Airplane Mode Animation Toggle Switch.
Magic Wand Image Reveal Animation Effect
A unique “magic wand” effect where the element tracks the cursor using the Web Animations API and reveals the image within tiles by dynamically controlling the CSS variables --opacity and --blur based on the mouse position.
See the Pen Magic Wand Image Reveal Animation Effect.
Smart Animated Custom Mouse Cursor
A custom cursor that smoothly tracks the mouse pointer using the native Web Animations API and instantly scales/changes its Font Awesome icon when hovering over an interactive element with a data-type attribute.
See the Pen Smart Animated Custom Mouse Cursor.
Page Transition Carousel using Web Animations API
A striking full-screen slider featuring custom cubic Bezier curves, where the Web Animations API (in the JS code) is utilized to orchestrate a staggered slide transition via a “curtain” effect.
See the Pen Page Transition Carousel using Web Animations API.
Split Flap Countdown Timer
A demo showcasing a dynamic, configurable flip-style countdown timer powered by the Web Animations API (WAAPI). It utilizes a complex CSS layout with transform-style: preserve-3d and perspective, which, combined with JavaScript, delivers a smooth and realistic flip animation effect.
See the Pen Split Flap Countdown Timer.