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API & Backend Integration

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Elewayte
Elewayte

This document discusses building forms, APIs, and CRUD operations in React. It covers creating basic and controlled forms in React, RESTful APIs and CRUD operations using HTTP methods like GET and POST. Axios is introduced as a library for making API requests from React. Examples of CRUD functionality for create, read, update and delete operations are provided. The conclusion emphasizes how this knowledge enables building dynamic web applications with seamless data interaction and user experience.

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A Journey into React Forms, APIs, Axios, and CRUD Operations Robin Sinha MERN Trainer,
• Creating Basic Forms in React • RESTful APIs and CRUD Operations • Axios Requests and Frontend Integration
• React forms are an essential part of web development, allowing users to input and submit data. • They provide a way to collect information from users and interact with the backend. • React forms enable creating dynamic and interactive user interfaces.
• State is managed by React. • Form input values are stored in the component's state and updated through event handlers. • Provides a single source of truth for form data. • Allows for validation and manipulation of user input. FORM INPUTS CONTROLLED COMPONENTS • State is managed by the DOM. • Form input values are accessed directly from the DOM using refs. • Typically used when form validation is not required or handled by external libraries. • Can be simpler to implement for basic forms. UNCONTROLLED COMPONENTS
<input type = "text"/> Elewayte <input type = "text" value = "Elewayte"/> Elewayte CONTROLLED COMPONENTS UNCONTROLLED COMPONENTS Example
APIs (Application Programming Interface APIs are mechanisms that enable two software components to communicate with each other using a set of definitions and protocols.
API call is initiated by the client application via a HTTP request. API generates a response containing the requested data or performs the requested action. Client processes the API response to extract data or trigger further actions.
RESTful APIs • REST (Representational State Transfer) is an architectural style for designing networked applications. • RESTful APIs follow the principles of REST and provide a stateless, scalable, and uniform approach to API development.
Fetching information from a database or external service. Submitting new data or updating existing data. Connecting with services like payment gateways or social media platforms.
HTTP Request Methods The Hypertext Transfer Protocol (HTTP) is designed to enable communications between clients and servers. Example: A client (browser) sends an HTTP request to the server; then the server returns a response to the client. The response contains status information about the request and may also contain the requested content.
• Used for retrieving data from a server. • Examples: fetching a user's profile, retrieving a list of products, getting weather data. • GET requests are typically safe, as they should not modify server data. • Parameters can be included in the URL or as query parameters. • Response data is returned in the body of the HTTP response. • Used for sending data to a server to create or update resources. • Examples: submitting a form, creating a new user, adding a comment. • POST requests can modify server data. • Data is sent in the body of the HTTP request, typically in JSON or form-urlencoded format. • Response may contain the newly created resource or a confirmation message.
Axios: Making HTTP Requests in React
It provides a simple and intuitive API for handling AJAX requests in React and other JavaScript frameworks. Axios is a popular JavaScript library used for making HTTP requests from the browser.
Axios supports all modern browsers and provides consistent behavior for HTTP requests. It offers features like interceptors, automatic JSON parsing, and error handling. Axios simplifies the process of making asynchronous requests and handling responses.
IMPLEMENTI NG THE CRUD FUNCTIONALI TY CREATE READ UPDATE DELETE C R U D
Axios provides a convenient way to make HTTP requests and interact with backend APIs to perform CRUD operations. Each CRUD operation corresponds to a specific HTTP method: POST for Create, GET for Read, PUT for Update, and DELETE for Delete. Axios allows us to send these HTTP requests to the appropriate API endpoints.
E-commerce Product Management Social Media Post Management Task Management Application
Front-end development, also known as web integration or client side development is the process of using HTML, CSS, Javascript, and other languages to build efficient and usable websites, web applications and mobile apps. Frontend Integration
Breakdown of frontend applications into reusable modules Implementation of consistent communication patterns Utilizing version control systems Robust mechanisms to handle exceptions gracefully Comprehensive documentation for integration architecture
Example of a simple frontend application To-do List app Weather app Calculator Image Slider
API & Backend Integration
Validate skills, enhance credibility, Stand out from the competition, Open doors to new opportunities. It showcases experience, Highlights problem-solving abilities, Helps to display initiative, build a portfolio, Demonstrate teamwork skills Familiarize yourself with system design principles like scalability, availability, data consistency, and security
In summary, we covered React forms, APIs, RESTful APIs, HTTP methods (GET and POST), using Axios in React, CRUD operations with APIs, and frontend- backend integration. This knowledge enables you to build dynamic web applications with seamless data interaction and user experience. Conclusion
ANY QUESTIONS.??
+91 63834 53564 info@elewayte.com www.elewayte.com HSR Layout, Sector - 1, Bengaluru, KA
API & Backend Integration

More Related Content

API & Backend Integration

  • 1. A Journey into React Forms, APIs, Axios, and CRUD Operations Robin Sinha MERN Trainer,
  • 2. • Creating Basic Forms in React • RESTful APIs and CRUD Operations • Axios Requests and Frontend Integration
  • 3. • React forms are an essential part of web development, allowing users to input and submit data. • They provide a way to collect information from users and interact with the backend. • React forms enable creating dynamic and interactive user interfaces.
  • 4. • State is managed by React. • Form input values are stored in the component's state and updated through event handlers. • Provides a single source of truth for form data. • Allows for validation and manipulation of user input. FORM INPUTS CONTROLLED COMPONENTS • State is managed by the DOM. • Form input values are accessed directly from the DOM using refs. • Typically used when form validation is not required or handled by external libraries. • Can be simpler to implement for basic forms. UNCONTROLLED COMPONENTS
  • 5. <input type = "text"/> Elewayte <input type = "text" value = "Elewayte"/> Elewayte CONTROLLED COMPONENTS UNCONTROLLED COMPONENTS Example
  • 6. APIs (Application Programming Interface APIs are mechanisms that enable two software components to communicate with each other using a set of definitions and protocols.
  • 7. API call is initiated by the client application via a HTTP request. API generates a response containing the requested data or performs the requested action. Client processes the API response to extract data or trigger further actions.
  • 8. RESTful APIs • REST (Representational State Transfer) is an architectural style for designing networked applications. • RESTful APIs follow the principles of REST and provide a stateless, scalable, and uniform approach to API development.
  • 9. Fetching information from a database or external service. Submitting new data or updating existing data. Connecting with services like payment gateways or social media platforms.
  • 10. HTTP Request Methods The Hypertext Transfer Protocol (HTTP) is designed to enable communications between clients and servers. Example: A client (browser) sends an HTTP request to the server; then the server returns a response to the client. The response contains status information about the request and may also contain the requested content.
  • 11. • Used for retrieving data from a server. • Examples: fetching a user's profile, retrieving a list of products, getting weather data. • GET requests are typically safe, as they should not modify server data. • Parameters can be included in the URL or as query parameters. • Response data is returned in the body of the HTTP response. • Used for sending data to a server to create or update resources. • Examples: submitting a form, creating a new user, adding a comment. • POST requests can modify server data. • Data is sent in the body of the HTTP request, typically in JSON or form-urlencoded format. • Response may contain the newly created resource or a confirmation message.
  • 13. It provides a simple and intuitive API for handling AJAX requests in React and other JavaScript frameworks. Axios is a popular JavaScript library used for making HTTP requests from the browser.
  • 14. Axios supports all modern browsers and provides consistent behavior for HTTP requests. It offers features like interceptors, automatic JSON parsing, and error handling. Axios simplifies the process of making asynchronous requests and handling responses.
  • 16. Axios provides a convenient way to make HTTP requests and interact with backend APIs to perform CRUD operations. Each CRUD operation corresponds to a specific HTTP method: POST for Create, GET for Read, PUT for Update, and DELETE for Delete. Axios allows us to send these HTTP requests to the appropriate API endpoints.
  • 18. Front-end development, also known as web integration or client side development is the process of using HTML, CSS, Javascript, and other languages to build efficient and usable websites, web applications and mobile apps. Frontend Integration
  • 19. Breakdown of frontend applications into reusable modules Implementation of consistent communication patterns Utilizing version control systems Robust mechanisms to handle exceptions gracefully Comprehensive documentation for integration architecture
  • 20. Example of a simple frontend application To-do List app Weather app Calculator Image Slider
  • 22. Validate skills, enhance credibility, Stand out from the competition, Open doors to new opportunities. It showcases experience, Highlights problem-solving abilities, Helps to display initiative, build a portfolio, Demonstrate teamwork skills Familiarize yourself with system design principles like scalability, availability, data consistency, and security
  • 23. In summary, we covered React forms, APIs, RESTful APIs, HTTP methods (GET and POST), using Axios in React, CRUD operations with APIs, and frontend- backend integration. This knowledge enables you to build dynamic web applications with seamless data interaction and user experience. Conclusion
  • 25. +91 63834 53564 info@elewayte.com www.elewayte.com HSR Layout, Sector - 1, Bengaluru, KA