Satu Jam Jago React.js Hook Basic - Tutorial React.js Indonesia

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Riak is a JavaScript library focusing on components and data processing, requiring Node.js installation and creating projects with NPM before running commands like "npm start." The text covers various aspects of Riak usage, including JSX and CSX syntax, component creation, props handling, and state management in React components.

Insights

  • Riak is a JavaScript library focusing on components and data processing, distinct from Vermicelli or Angel, showcasing seamless movement between dynamically displayed components in a single HTML file.
  • Utilize JSX for simplicity in writing React components, while CSX offers a more concise syntax; organizing components into separate folders enhances clarity and organization, with props facilitating data transfer between components and `useState` managing constant data reactively in function-based components.

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Recent questions

  • What is Riak?

    A JavaScript library focusing on components and data processing.

  • How to start a project with Riak?

    Install Node.js and create a new project with NPM.

  • What are the key features of JSX?

    JSX simplifies writing React components.

  • How are components organized in Riak projects?

    Components are stored in separate folders for clarity.

  • What is the role of props in Riak components?

    Props are used to send data between components.

Related videos

Summary

00:00

"Riak: JavaScript Library for Dynamic Components"

  • Riak is a JavaScript library different from Vermicelli or Angel, focusing on components and data processing.
  • Installation of Node.js is necessary before starting the project.
  • Use NPM to install the required version and create a new project with the command "npx create react app [project name]."
  • After installation, run commands like "npm start" to initiate the local development server.
  • The project structure includes public and source folders, with dependencies listed in the package.json file.
  • Components in Riak are dynamically displayed in a single HTML file, moving between components seamlessly.
  • JSX is used to write React components, converting JavaScript-like syntax into HTML-like tags.
  • CSX, created by the development team, transforms JSX syntax into a more concise form for React projects.
  • The createElement method from React library allows for creating elements with parameters like type, attributes, and values.
  • Testing the created components can be done by saving the file and checking the results in the browser.

20:35

CSX vs JSX: Simplifying Browser Element Creation

  • Using CSX in the browser yields similar results to JSX, but nesting elements can be complex.
  • Suggested to use JSX for simplicity, indicating elements with brackets.
  • Creating elements within elements can be intricate; advised to update using brackets.
  • Components in CSX are part of a user interface section, allowing multiple components creation.
  • Demonstrated creating a class by extending the React object and calling the component.
  • Displaying interface elements in a component involves using the render method.
  • Components ideally separated into individual JavaScript files for organization.
  • Components should be stored in separate folders for clarity and organization.
  • Props are utilized to send data between components, demonstrated with a data array example.
  • Props are added as attributes in components to access and utilize the passed data.

41:40

"React: Handling Data and Events Efficiently"

  • The process involves calling tudus and tusil objects with three Arai.
  • Calling tudus data point props displays the object's value.
  • Displaying data from components in list elements without repetition.
  • Using map function to change object data to list elements.
  • Defining unique values for each list element using map function.
  • Preventing refresh on form submission using event handler.
  • Creating a new object with structured data and random ID generation.
  • Sending data from one component to another using props.
  • Utilizing event handlers to prevent default form behavior.
  • Implementing state to render live data reactively.

01:01:47

Managing State Data in React Components

  • Utilize the `useState` function to manage constant data in React components.
  • Use `useState` to set initial data and `set` functions to update state data.
  • Implement `get` and `set` functions to retrieve and update state data in real-time.
  • Use `useState` to manage state data in function-based components.
  • Handle input changes using event handlers and update state accordingly.
  • Clear input data after submission by setting the input state to an empty string.
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