28 JavaScript Animations

In the sterile world of web interfaces, a touch of whimsy can be the difference between a user forgetting your site and remembering it with a smile. This snippet isn’t just an animation; it’s a digital sticker with a soul. It brings the static ritual of coffee to life through squash-and-stretch principles, transforming a simple icon into a living character that breathes, reacts, and delights.

Most interfaces treat layout changes as abrupt cuts in a film — jarring and disconnected. We reject this. UI should behave like matter, conserving momentum and mass. This component demonstrates the “impossible”: animating a flexbox container from a horizontal row to a vertical column seamlessly. It creates a sense of spatial continuity that makes the application feel not like software, but like a living organism adapting to user intent.

Forms are traditionally cold and utilitarian. This component challenges that norm by injecting emotional intelligence into the user interface. By mapping a range slider to animated character states, we transform a simple data input into a conversation. It turns the abstract concept of “satisfaction” into a relatable, human narrative, encouraging users to engage more deeply with the feedback process.

This GSAP SVG Circle Unwrapping Animation is a masterclass in visual sleight of hand. Instead of mathematically morphing a curved path into a straight line (which often results in distorted, unappealing stroke widths), this component creates a seamless illusion. It splits a circle into two halves and synchronizes their movement with a dynamically generated straight line, making it appear as though the circle is being physically unrolled or “unwrapped” like a ribbon.

A high-end, editorial-style web design where content appears smoothly and coordinately, creating a sense of premium quality and attention to detail.

A soothing dreamscape scene with smooth, infinite animation resembling a live postcard or a splash screen for a meditation app.

A playful recreation of the Bongo Cat meme using SVG and GSAP. It features complex timelines coordinating rapid paw movements, a randomized note particle system colored via CSS variables, and a scrolling terminal code effect using drawSVG logic.

A cinematic, fluid intro identical to a streaming service splash screen, featuring glow effects, particles, and morphing to create a sense of magic and high-budget production.

An atmospheric day/night toggle where a minimal JavaScript classList.toggle trigger activates a cinematic transition across complex SVG layers. The scenery leverages linear-gradient masking and mix-blend-mode for dynamic lighting, while long-duration CSS transform properties orchestrate a seamless, parallax-like shift between solar and lunar states.

This demo is a showcase of GSAP’s Flip plugin, a powerful tool for animating layout changes. The Flip.getState() and Flip.from() methods are used to seamlessly transition between four different CSS layouts, creating a complex and fluid morphing animation with minimal code.

This interactive digital collage is driven by a single, reversible gsap.timeline that animates dozens of absolutely positioned <img> elements into a cohesive illustration on hover. A key feature is the sophisticated text reveal, powered by GSAP’s SplitText plugin, which creates a fluid ‘waterfall’ effect. The entire composition is built to be fully responsive, using a custom SCSS --unit variable based on vmin to ensure the complex layout scales proportionally.

A modern Three.js setup using importmap to work with modules without a bundler - plus custom post-processing passes to create speed and glow effects.

Technical relevance: the use of GSAP to control strokeDashoffset on the mask with looping and different easing, - resulting in a stylized “wave” effect gliding over complex, pre-defined SVG Bézier curves.

This full-screen particle system uses the Canvas 2D context to draw short-lived, low-alpha rain streaks, relying on requestAnimationFrame for a performance-optimized background animation.

Dive into an interactive demo using pure JavaScript and Canvas 2D, where mouse movement creates a magnetic field for particles, and clicking triggers an explosion effect, implementing complex element creation and destruction logic.

Dynamic visualization of John F. Kennedy’s speech, where each word is a separate element, creating a “running wave” effect using CSS transformations and a JavaScript setInterval.

An advanced interactive gallery showcasing the power of GreenSock: it utilizes custom Timelines to manage complex, multi-stage animations and x, y, scale transformations upon clicking the elements.

Explore lightweight 3D graphics using the Zdog library to render a vibrant, drag-rotatable isometric rainbow and clouds, demonstrating efficient pseudo-3D rendering for web UIs.

A demo of multi-step animations using keyframes within GSAP, plus subtle work with CSS filters (brightness) to simulate 3D object lighting.

Implemented motion physics for an interactive carousel: uses an requestAnimationFrame loop for smooth movement and applies an inertia effect after dragging (Drag/Touch) by gradually decaying this.velocity with friction (this.friction).

This is an example of efficient animation composition using gsap.timeline, which synchronizes independent motion phases (.from() and .to()) of multiple <path> elements to create one complex loop.