JavaScript requestAnimationFrame Explained — Build a Smooth Animation Loop from Scratch

In this video, you'll learn how requestAnimationFrame
works in JavaScript — the core engine behind every
smooth web animation.

We build a glowing bouncing orb from scratch using
pure Vanilla JS and CSS, no libraries, no frameworks.

What you'll learn:
→ How requestAnimationFrame creates a smooth loop
→ Position tracking and speed-based movement
→ Boundary detection and bounce logic
→ CSS radial gradient and glow effects

This is Day 1 of the Vanilla JS Animation Series —
building creative, visual projects from scratch
using only HTML, CSS and JavaScript.

🔔 Subscribe for weekly animation builds.

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Видео JavaScript requestAnimationFrame Explained — Build a Smooth Animation Loop from Scratch канала ScratchStart