Node.js is at its best in real-time web application development with push technology. It delivers real-time web applications with two-way connections so that both client and server can initiate communication, making way of free exchange of data.
Node.js will not be at its efficient best for developing CPU-intensive operations, its best advantages shine through for building fast, scalable network applications where a number of connections with high throughput have to be handled simultaneously. This implies that the system works best for developing projects that require high scalability. Node.js operates on a single-thread, using non-blocking I/O calls and supports multiple parallel connections.
Node.js comes with the NPM tool which is the built-in support for package management. It contains a set of reusable components that can be easily installed via an online repository for version and dependency management. The modules can be accessed by anyone and developers can publish their own modules and list them in the repository. Popular Node.js modules that are frequently used are –
With the new version 4.0, a stable version of Node.js arrives. With this version, developers can look forward to an official merger between Node.js and io.js.
The new system has a support system for ARM processors and includes an extensive test suite to ensure consistent operation across Windows, Linux, SmartOS, FreeBSD and ARM devices. The Node foundation will provide 18 months of updates for stability and security and a “long term support” branch has also been established.
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