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- How nodejs front-end and back-end interact
- Answer: Node.js provides a variety of front-end and back-end interaction methods, including HTTP requests, Socket.IO, GraphQL, and RESTful APIs. Detailed Description: HTTP Request: Widely used for applications that do not require real-time communication. Socket.IO: Good for applications that require real-time communication, such as chat applications. GraphQL: For applications involving complex data queries. RESTful API: Suitable for applications that need to integrate with other systems and follow a standardized approach.
- Front-end Q&A 964 2024-04-21 06:04:12
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- What are the commonly used built-in modules in nodejs?
- Node.js built-in modules provide powerful functions, including: 1. File system operations (fs); 2. HTTP server and client (HTTP, HTTPS); 3. Data encryption (encryption); 4. Path processing (path) ;5. Query string parsing (query string); 6. HTTP message parsing (HTTP message); 7. Binary data storage (buffer); 8. Stream data processing (stream); 9. Utility functions (utility ); 10. Test case verification (assertion).
- Front-end Q&A 414 2024-04-21 06:03:55
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- What are the functions of the nodejs middle layer?
- In the Node.js application architecture, the middle layer acts as a router, validator, data processor and error handler. It is located between the front end and the back end. It centrally controls requests and responses through parallel processing, caching, security measures and services. Features such as discovery improve application scalability, performance, security and simplify the development process.
- Front-end Q&A 418 2024-04-21 06:03:40
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- What is npm for nodejs
- npm is a JavaScript package management system that allows developers to manage Node.js modules and dependencies: Install a module: npm install <module-name> Update a module: npm update <module-name> Delete a module: npm uninstall <module-name >
- Front-end Q&A 567 2024-04-21 06:01:01
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- Which nodejs framework is better to use?
- Node.js Framework selection depends on application needs: Small to medium-sized applications: Express.js or Koa.js High-performance applications: Fastify Enterprise-level applications: Nest.js and Hapi.js Scalability: All frameworks are available Extensions, Nest.js and Hapi.js for complex applications
- Front-end Q&A 431 2024-04-21 06:00:46
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- Does nodejs have a framework?
- Yes, Node.js has a rich ecosystem of frameworks. Framework types include: 1. Full-stack framework; 2. Back-end framework; 3. Microservice framework; 4. Gateway and proxy framework. Benefits of the framework include increased productivity, code consistency, and security enhancements. Popular Node.js frameworks are Express, Koa, NestJS, Hapi, Fastify, AdonisJS, and Sails.js.
- Front-end Q&A 1106 2024-04-21 05:57:50
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- What are the core modules of nodejs
- Node.js provides a variety of core modules for handling common tasks such as: HTTP processing (http) File system operations (fs) Path operations (path) Operating system interaction (os) Encryption and hashing (crypto) Subprocess management (child_process) Time management (timers) Utility functions (util) Event monitoring (events) Stream management (stream)
- Front-end Q&A 1167 2024-04-21 05:57:34
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- What modular specification does nodejs adopt?
- Node.js adopts the CommonJS modular specification, which defines the concepts of modules, exports, and loads, simplifying the organization and reuse of modular JavaScript code, and helping manage dependencies.
- Front-end Q&A 647 2024-04-21 05:57:15
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- Who developed nodejs?
- Developed by Ryan Dahl, Node.js is a JavaScript runtime environment that allows JavaScript code to be executed on the server. Dahl created Node.js in 2009, inspired by Google's V8 JavaScript engine.
- Front-end Q&A 664 2024-04-21 05:54:45
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- Can nodejs develop large projects?
- Yes, nodejs can be used for large projects due to the following reasons: scalability, modularity, performance optimization, toolchain, and community support. Examples of large-scale projects using nodejs include PayPal, LinkedIn, Uber, Netflix, and Walmart.
- Front-end Q&A 1219 2024-04-21 05:54:30
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- What is nodejs suitable for?
- Node.js is suitable for building real-time applications, API servers, data stream processing pipelines, microservices, command line tools, and web crawlers because of its event-driven, non-blocking I/O model and easy-to-extend modular design.
- Front-end Q&A 742 2024-04-21 05:54:14
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- How to run oracle database stored procedure in nodejs
- In Node.js, use the OracleDB library to execute Oracle database stored procedures: Install the OracleDB library. Create a database connection. Define the stored procedure name and parameters. Execute the stored procedure. Close the database connection.
- Front-end Q&A 797 2024-04-21 05:52:06
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- How to start service in nodejs
- How to start a service in Node.js? Create a Node.js project and install dependencies. Write server code and listen on the port. Start the server using the node command. Access the local address to test the service. Use PM2 management services.
- Front-end Q&A 1153 2024-04-21 05:51:52
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- How to open a project in nodejs
- Steps to open a Node.js project: Determine the project directory. Open a command prompt or terminal. Navigate to the project directory. Use the node command to run a project (application or script).
- Front-end Q&A 829 2024-04-21 05:51:38
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- How nodejs executes js files
- JS files can be executed in Node.js by using the require() function. The specific steps are as follows: create a JS file, write the code and save it. In the Node.js file, use the require() function to load the JS file. Once the file is loaded, you can access the functions and variables defined in the JS file.
- Front-end Q&A 1080 2024-04-21 05:49:20
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