openSUSE:Leap:42.3 openSUSE Leap 42.3 https://download.opensuse.org/distribution/leap/42.3/repo/oss/ nodejs4 Evented I/O for V8 JavaScript Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js' package ecosystem, npm, is the largest ecosystem of open source libraries in the world.