Node.js is an open-source, cross-platform JavaScript runtime environment that executes JavaScript code server-side.
Example:
console.log('Hello, Node.js!');
役に立ちましたか?
コメントを追加コメントを見る
質問 2. Explain the event-driven architecture in Node.js.
Node.js follows an event-driven, non-blocking I/O model. It means that the server can handle multiple connections simultaneously, and when an event occurs, the corresponding callback function is executed.
npm (Node Package Manager) is the default package manager for Node.js, used to manage and distribute Node.js packages/modules.
Example:
npm install package_name
役に立ちましたか?
コメントを追加コメントを見る
質問 4. Explain the concept of middleware in Express.js.
Middleware functions are functions that have access to the request, response, and next middleware function in the application’s request-response cycle. They can modify the request and response objects or end the request-response cycle.
質問 5. What is the purpose of package.json in Node.js?
package.json is a manifest file that contains metadata about a Node.js project, including dependencies, scripts, and other project-specific configurations.