SockJS-node is a server counterpart of SockJS-client a JavaScript library that provides a WebSocket-like object in the browser. SockJS gives you a coherent, cross-browser, Javascript API which creates a low latency, full duplex, cross-domain communication channel between the browser and the web server.
GSAP is a framework-agnostic JavaScript animation library that turns developers into animation superheroes. Build high-performance animations that work in **every** major browser. Animate CSS, SVG, canvas, React, Vue, WebGL, colors, strings, motion paths, generic objects...anything JavaScript can touch! The ScrollTrigger plugin lets you create jaw-dropping scroll-based animations with minimal code. No other library delivers such advanced sequencing, reliability, and tight control while solving real-world problems on millions of sites. GSAP works around countless browser inconsistencies; your animations **just work**. At its core, GSAP is a high-speed property manipulator, updating values over time with extreme accuracy.