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Following is a list of tools that can be used in developing code in teams, to enforce a given style guide and to catch common errors using static analysis. JSLint JSHint ESLint JSCS For ensuring consistent style in Node.js, several tools and practices can be employed: ESLint: ESLint is a widely used tool for static … Read more

npm stands for Node Package Manager. Following are the two main functionalities of npm: Online repositories for node.js packages/modules which are searchable on search.nodejs.org Command line utility to install packages, do version management and dependency management of Node.js packages. For a Node.js interview, the correct answer to the question “What is npm? What is the … Read more

Yes, Node.js Crypto module supports cryptography. It provides cryptographic functionality that includes a set of wrappers for open SSL’s hash HMAC, cipher, decipher, sign and verify functions. Yes, Node.js supports cryptography through its built-in crypto module. This module provides cryptographic functionality that includes a set of wrappers for OpenSSL’s hash, HMAC, cipher, decipher, sign, and … Read more

In REPL, the underscore variable is used to get the last result. In Node.js REPL (Read-Eval-Print Loop), the underscore variable (_) serves as a reference to the result of the last operation. It allows users to conveniently access the result of the previous expression or operation without explicitly storing it in a variable. For example: … Read more

Yes. You can evaluate simple expressions using Node REPL. Yes, it is possible to evaluate simple expressions using the Node.js REPL (Read-Eval-Print Loop). REPL stands for Read-Eval-Print Loop, and it allows you to interactively run JavaScript code. You can evaluate expressions, declare variables, define functions, and execute JavaScript statements directly in the Node.js REPL environment. … Read more