Code Splitting a Redux Application | Pluralsight

const [showDialog, setShowDialog] = useState(true);

<DisclaimerModal
     text='...'
     showDialog={showDialog}
     handleAccept={() => setShowDialog(false)}
     handleDecline={() => setShowDialog(false)}
/>

const App = () => {
  return(
    <Router>
      <Routes>
        <Route path="/component1" element={<Component1 />} />
		<Route path="/component2/:data" element={<Component2 />} />
      </Routes>
    </Router>
  )
}
const Component2 = () => {
  const { data } = useParams();
  return(
    <div>
      <h2>The data is: {data}</h2>
    </div>
  )
}

//HTML
<div class='dropdown'>
          <Link id='product' className='every' to='/products'>OUR PRODUCTS</Link>
           <div class='dropdown-content'>
            <Link to='autocadd'>AutoCadd</Link>
            <Link to='techset'>Techset</Link>
            <Link to='Endorse'>Endorse</Link>
           </div>
          </div>

//CSS

.dropdown{
    position: relative;
    display: inline-block;
}
.dropdown-content{
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

.dropdown-content>*{
 color: black;
 padding: 12px 6px;
text-decoration: none;
 display: block;
}

.dropdown:hover .dropdown-content{
    display: block;
}
.dropdown-content>*:hover{
    background-color: #ddd;
}

setTheme = () => {
    let element = document.getElementById('doc');
    // element.setAttribute('class','dark');
    element.classList.toggle('dark');
}

  render() {
    return (
      <div id='doc' class='light'>
        <h1>Hey</h1>
        <button id='btn' onClick={this.setTheme}>Click</button>
      </div>
    )
  }

import { useState, useEffect } from "react";

function getValue(key, initailValue) {
  const storedValue = JSON.parse(localStorage.getItem(key));
  if (storedValue) return storedValue;

  if (initailValue instanceof Function) return initailValue();
  return initailValue;
}

export default function useLocalStorage(key, initailValue) {
  const [value, setValue] = useState(() => {
    return getValue(key, initailValue);
  });

  useEffect(() => {
    localStorage.setItem(key, JSON.stringify(value));
  }, [value]);

  return [value, setValue];
}

import React from "react";

class Clock extends React.Component {
  constructor(props) {      //Constructor is  called when root is rendered
    super(props);
    this.state = { date: new Date() }; //intializes this.state with current time
  }


  componentDidMount() { //React lifecycle method, is been called when clock output is inserted in the DOM
    this.timerID = setInterval(
        () => this.tick(),
        1000
    )           //Here class component asks the browser to set up a timer to call the tick() method once a second
  }

  tick(){               
    this.setState({         //calling setState method with an object containing the current time
        date: new Date()
    });                     //setState method updates the current time
}

  componentWillUnmount() {      // Incase if clock component is ever removed from the DOM , react call this lifecycle method so the timer is stopped.
    clearInterval(this.timerID)
  }
  


  render() {
    return (
      <div>
        <h1>Hello, world!</h1>
        <h2>It is {this.state.date.toLocaleTimeString()}.</h2>
      </div>
    );
  }
}

export default Clock;

import React from "react";

class Clock extends React.Component {
  constructor(props) {      //Constructor is  called when root is rendered
    super(props);
    this.state = { date: new Date() }; //intializes this.state with current time
  }


  componentDidMount() { //React lifecycle method, is been called when clock output is inserted in the DOM
    this.timerID = setInterval(
        () => this.tick(),
        1000
    )           //Here class component asks the browser to set up a timer to call the tick() method once a second
  }

  tick(){               
    this.setState({         //calling setState method with an object containing the current time
        date: new Date()
    });                     //setState method updates the current time
}

  componentWillUnmount() {      // Incase if clock component is ever removed from the DOM , react call this lifecycle method so the timer is stopped.
    clearInterval(this.timerID)
  }
  


  render() {
    return (
      <div>
        <h1>Hello, world!</h1>
        <h2>It is {this.state.date.toLocaleTimeString()}.</h2>
      </div>
    );
  }
}

export default Clock;

import React from "react";

class Clock extends React.Component {
  constructor(props) {      //Constructor is  called when root is rendered
    super(props);
    this.state = { date: new Date() }; //intializes this.state with current time
  }


  componentDidMount() { //React lifecycle method, is been called when clock output is inserted in the DOM
    this.timerID = setInterval(
        () => this.tick(),
        1000
    )           //Here class component asks the browser to set up a timer to call the tick() method once a second
  }

  tick(){               
    this.setState({         //calling setState method with an object containing the current time
        date: new Date()
    });                     //setState method updates the current time
}

  componentWillUnmount() {      // Incase if clock component is ever removed from the DOM , react call this lifecycle method so the timer is stopped.
    clearInterval(this.timerID)
  }
  


  render() {
    return (
      <div>
        <h1>Hello, world!</h1>
        <h2>It is {this.state.date.toLocaleTimeString()}.</h2>
      </div>
    );
  }
}

export default Clock;

import React from "react";

class Clock extends React.Component {
  constructor(props) {      //Constructor is  called when root is rendered
    super(props);
    this.state = { date: new Date() }; //intializes this.state with current time
  }


  componentDidMount() { //React lifecycle method, is been called when clock output is inserted in the DOM
    this.timerID = setInterval(
        () => this.tick(),
        1000
    )           //Here class component asks the browser to set up a timer to call the tick() method once a second
  }

  tick(){               
    this.setState({         //calling setState method with an object containing the current time
        date: new Date()
    });                     //setState method updates the current time
}

  componentWillUnmount() {      // Incase if clock component is ever removed from the DOM , react call this lifecycle method so the timer is stopped.
    clearInterval(this.timerID)
  }
  


  render() {
    return (
      <div>
        <h1>Hello, world!</h1>
        <h2>It is {this.state.date.toLocaleTimeString()}.</h2>
      </div>
    );
  }
}

export default Clock;

import React from "react";

class Clock extends React.Component {
  constructor(props) {      //Constructor is  called when root is rendered
    super(props);
    this.state = { date: new Date() }; //intializes this.state with current time
  }


  componentDidMount() { //React lifecycle method, is been called when clock output is inserted in the DOM
    this.timerID = setInterval(
        () => this.tick(),
        1000
    )           //Here class component asks the browser to set up a timer to call the tick() method once a second
  }

  tick(){               
    this.setState({         //calling setState method with an object containing the current time
        date: new Date()
    });                     //setState method updates the current time
}

  componentWillUnmount() {      // Incase if clock component is ever removed from the DOM , react call this lifecycle method so the timer is stopped.
    clearInterval(this.timerID)
  }
  


  render() {
    return (
      <div>
        <h1>Hello, world!</h1>
        <h2>It is {this.state.date.toLocaleTimeString()}.</h2>
      </div>
    );
  }
}

export default Clock;

import React from "react";

class Clock extends React.Component {
  constructor(props) {      //Constructor is  called when root is rendered
    super(props);
    this.state = { date: new Date() }; //intializes this.state with current time
  }


  componentDidMount() { //React lifecycle method, is been called when clock output is inserted in the DOM
    this.timerID = setInterval(
        () => this.tick(),
        1000
    )           //Here class component asks the browser to set up a timer to call the tick() method once a second
  }

  tick(){               
    this.setState({         //calling setState method with an object containing the current time
        date: new Date()
    });                     //setState method updates the current time
}

  componentWillUnmount() {      // Incase if clock component is ever removed from the DOM , react call this lifecycle method so the timer is stopped.
    clearInterval(this.timerID)
  }
  


  render() {
    return (
      <div>
        <h1>Hello, world!</h1>
        <h2>It is {this.state.date.toLocaleTimeString()}.</h2>
      </div>
    );
  }
}

export default Clock;

import React from "react";

class Clock extends React.Component {
  constructor(props) {      //Constructor is  called when root is rendered
    super(props);
    this.state = { date: new Date() }; //intializes this.state with current time
  }


  componentDidMount() { //React lifecycle method, is been called when clock output is inserted in the DOM
    this.timerID = setInterval(
        () => this.tick(),
        1000
    )           //Here class component asks the browser to set up a timer to call the tick() method once a second
  }

  tick(){               
    this.setState({         //calling setState method with an object containing the current time
        date: new Date()
    });                     //setState method updates the current time
}

  componentWillUnmount() {      // Incase if clock component is ever removed from the DOM , react call this lifecycle method so the timer is stopped.
    clearInterval(this.timerID)
  }
  


  render() {
    return (
      <div>
        <h1>Hello, world!</h1>
        <h2>It is {this.state.date.toLocaleTimeString()}.</h2>
      </div>
    );
  }
}

export default Clock;

<!-- Html -->
<div id="timer">
  <div id="days"></div>
  <div id="hours"></div>
  <div id="minutes"></div>
  <div id="seconds"></div>
</div>

<!-- Js Code -->
function makeTimer() {
  //	var endTime = new Date("29 April 2018 9:56:00 GMT+01:00");	
  var endTime = new Date("30 July 2022 12:00:00 GMT+01:00");			
  endTime = (Date.parse(endTime) / 1000);
  var now = new Date();
  now = (Date.parse(now) / 1000);
  var timeLeft = endTime - now;
  var days = Math.floor(timeLeft / 86400); 
  var hours = Math.floor((timeLeft - (days * 86400)) / 3600);
  var minutes = Math.floor((timeLeft - (days * 86400) - (hours * 3600 )) / 60);
  var seconds = Math.floor((timeLeft - (days * 86400) - (hours * 3600) - (minutes * 60)));
  if (hours < "10") { hours = "0" + hours; }
  if (minutes < "10") { minutes = "0" + minutes; }
  if (seconds < "10") { seconds = "0" + seconds; }
  $("#days").html(days + "<span>Days</span>");
  $("#hours").html(hours + "<span>Hours</span>");
  $("#minutes").html(minutes + "<span>Minutes</span>");
  $("#seconds").html(seconds + "<span>Seconds</span>");		
}
setInterval(function() { makeTimer(); }, 1000);

// Navbar Link Js
$('.nav-link').on('click', function() {
  $('.nav-link').removeClass('active');
  $(this).addClass('active');
});

$('.nav-link').on('click', function() {
  $('.navbar-collapse').collapse('hide');
});

<ul class="navbar-nav mx-auto">
  <li class="nav-item ">
  		<a class="nav-link <?php if(substr($_SERVER['PHP_SELF'],1,15)=='index.php'){ ?>active <?php } ?>" href="index.php">Home  </a>
  </li>
  <li class="nav-item">
  		<a class="nav-link <?php if(substr($_SERVER['PHP_SELF'],1,15)=='mestropolis.php'){ ?>active <?php } ?>" href="mestropolis.php">Neotropolis</a>
  </li>
  <li class="nav-item">
    	<a class="nav-link <?php if(substr($_SERVER['PHP_SELF'],1,15)=='story.php'){ ?>active <?php } ?>" href="story.php">Story</a>
  </li>
  <li class="nav-item">
    	<a class="nav-link <?php if(substr($_SERVER['PHP_SELF'],1,15)=='cards.php'){ ?>active <?php } ?>" href="cards.php">Cards</a>
  </li>
  <li class="nav-item">
    	<a class="nav-link <?php if(substr($_SERVER['PHP_SELF'],1,15)=='packs.php'){ ?>active <?php } ?>" href="packs.php">Packs</a>
  </li>
  <li class="nav-item">
    	<a class="nav-link <?php if(substr($_SERVER['PHP_SELF'],1,15)=='Collectibles.php'){ ?>active <?php } ?>" href="Collectibles.php">Collectibles</a>
  </li>
  <li class="nav-item">
    	<a class="nav-link <?php if(substr($_SERVER['PHP_SELF'],1,15)=='faq.php'){ ?>active <?php } ?>" href="faq.php">FAQ</a>
  </li>
</ul>