23
Dec
Posted on December 23, 2022 by Lue

Introduction to ReactJS

ReactJS is a popular JavaScript library for building user interfaces. It was developed by Facebook and is now maintained by a large community of developers. React allows you to create reusable components that can be easily rendered on the client or server side.

One of the main advantages of using React is that it uses a virtual DOM (Document Object Model) to optimize rendering performance. When a component's state changes, React will only update the specific parts of the DOM that have changed, rather than re-rendering the entire page. This makes it faster and more efficient than traditional DOM manipulation libraries.

Another key feature of React is its ability to handle complex user interactions and state changes. It allows you to easily manage the data that flows through your application, making it easier to build and maintain complex applications.

Getting Started

Getting started with React is relatively easy. All you need is a basic understanding of JavaScript and some familiarity with HTML and CSS. You can use React with a variety of build tools, such as webpack or Babel, to transpile your code and bundle it for the browser.

To use React, you'll need to include the React library in your project. You can do this by including a script tag in your HTML file:

      
<script src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js">
</script>
      
    

Alternatively, you can install React using a package manager like npm or yarn and import it into your JavaScript file:

      
npm install react react-dom
import React from 'react';
import { render } from 'react-dom';

Components

Once you have the React library installed, you can start creating components. A React component is a small, reusable piece of code that represents a part of a user interface. You can think of it as a template that generates a specific part of the DOM.

Here's an example of a simple React component that generates a button element:


const Button = () => {
return <button>Click me</button>;
}

To render this component, you can use the render function provided by the ReactDOM library:


render(<Button />, document.getElementById('root'));

This will render the Button component inside the element with the ID of root

State

React components can also have state, which is data that changes over time. For example, you might have a component that keeps track of a user's name and displays it on the page. You can use the useState hook to add state to a functional component:

  
const NameDisplay = () => {
  const [name, setName] = useState('John');
return 
Hello, {name}
; }

In this example, the NameDisplay component has a piece of state called name with an initial value of 'John'. The useState hook returns an array with the current value of the state and a function to update it.

You can update the state by calling the update function and passing in a new value. For example:

  
setName('Jane');
  

This would update the name state to 'Jane', causing the component to re-render and display the new name.

Conclusion

React is a powerful and popular library for building user interfaces. Its virtual DOM and state management capabilities make it easy to build and maintain complex applications. With a basic understanding of JavaScript and some familiarity with HTML and CSS, you can start building your own React components and applications.

 
16
Dec
Posted on December 16, 2022 by Lue

My dearest friend,

I know I am at least partially responsible for the pain you're in now. I left you when you needed me the most, and I am forever guilty for this.

I know you want me to forgive myself and move on from it, but as long as you're unwell I will be forever trying to atone for my sins.

You see I made the mistake of looking up messages from the past. Messages where you were telling me how much you miss me and how much you want me to come back, and I read the excuses I made that prolonged your pain for years....

Now I'm back and we're talking again and feel happy and loved, but in the back of my mind I know I don't deserve it. How can I deserve your love when I've hurt you so badly?

How will I ever make this right? How can I help you find happiness again? I have to for your sake and mine.

 
15
Dec
Posted on December 15, 2022 by Lue
This is a test post