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npm init -y Then install Express.js and EJS with cli using npm i express ejs Go to the package.json file and add "type": "module", ├── src │ ├── node_modules │ ├── views │ │ ├── index.ejs │ ├── index.js │ ├── package.json │ ├── package-lock.json
Express.js, or simply Express, is a back end web application framework for building RESTful APIs with Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs. [2] It has been called the de facto standard server framework for Node.js. [3]
In January 2010, a package manager was introduced for the Node.js environment called npm. [18] The package manager allows programmers to publish and share Node.js packages , along with the accompanying source code, and is designed to simplify the installation, update and uninstallation of packages.
In August 2009, the project was renamed CommonJS to show the broader applicability of the APIs. [4] Specifications are created and approved in an open process. A specification is only considered final after it has been finished by multiple implementations. [5]
All npm packages are JavaScript libraries, but not all libraries are packages. Npm serves as a package manager for packages used in Node.js runtimes. [12] [13] However, some npm packages offer CDN support for use of the library in both Node.js runtimes as well as the browser. [14]
Yarn can install packages from local cache. [8] Yarn binds versions of the package strongly. Yarn uses checksum for ensuring data integrity, while npm uses SHA-512 to check data integrity of the packages downloaded. [9] Yarn installs packages in parallel, while npm installs one package at a time.
Yeoman is an open source client-side scaffolding tool for web applications.Yeoman runs as a command-line interface written for Node.js and combines several functions into one place, such as generating a starter template, managing dependencies, running unit tests, providing a local development server, and optimizing production code for deployment.
Web Easy JavaScript Simulation , Easy JavaScript Simulations (EJSS), formerly known as Easy Java Simulations (EJS), is an open-source software tool, part of the Open Source Physics project, designed to create discrete computer simulations.