How to add transition in React while changing background of a component using setInterval() method

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usingcomponentreact
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I implemented this React Spring component that gets a different slide after clicking on it. I would like to make it change automatically every X seconds by using the setInterval method.,Since you want the interval to start before anything is clicked, add it to an effect so you can run it when the app mounts and clear it on unmount.,Making statements based on opinion; back them up with references or personal experience.

Since you want the interval to start before anything is clicked, add it to an effect so you can run it when the app mounts and clear it on unmount.

useEffect(() => {
   const interval_id = setInterval(onClick, 3000);
   return () => {
      // Stop the interval when the component unmounts. 
      // Otherwise it will keeep going and you will get an error.
      clearInterval(interval_id)
   }
}, []); // empty array of dependencies will cause it to run on mount and unmount only
88%

Code result:

import React, { useEffect } from 'react';
import { makeStyles } from '@material-ui/core/styles';
import { Paper, Fade } from '@material-ui/core';

const useStyles = makeStyles((theme) => ({
  root: {
    backgroundColor: 'black',
  },
  paper: {
    margin: theme.spacing(1),
    backgroundColor: 'rgba(0,0,0,0)',
    color: '#f4dfc0',
    padding: '1vw 0vw 1vw 0vw',
    fontFamily: 'Chenier',
    fontSize: '2vw',
  },
}));

const FadeCarousel = ({ dataArray }) => {
  const classes = useStyles();
  const [checked, setChecked] = React.useState(true);
  const [carouselData, setCarousel] = React.useState(dataArray[0]);

  const fadeTime = 1000

  useEffect(() => {
    var count = 0;
    // Interval Fade
    setInterval(() => {
      setChecked((prev) => !prev);
    }, fadeTime);
    // Interval Change Data
    setInterval(() => {
      if (count == dataArray.length - 1) {
        count = 0;
      } else count++;
      setCarousel(dataArray[count]);
    }, fadeTime*2);
  }, []);

  return (
    <div className={classes.root}>
      <Fade
        in={checked}
        timeout={{
          enter: fadeTime*2,
          exit: fadeTime*2,
        }}
      >
        <Paper elevation={4} className={classes.paper}>
          {carouselData}
        </Paper>
      </Fade>
    </div>
  );
};

export default FadeCarousel;
72%

 Pretag team - issue, fix, solve, resolve
65%

For example, the code below schedules a new interval when the React component mounts for the first time. After the React component unmounts the interval is cleared:,For example, the code below schedules an interval to print the phrase: “Interval triggered” every second to the console until it is cleared.,To schedule a new interval, we call the setInterval method inside of a React component, like so:

useEffect(() => {
   const interval = setInterval(() => {
      console.log('This will run every second!');
   }, 1000);
   return () => clearInterval(interval);
}, []);
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75%

My useInterval Hook sets up an interval and clears it after unmounting. It’s a combo of setInterval and clearInterval tied to the component lifecycle.,When useInterval Hook sees a different delay, it sets up the interval again.,Instead of writing code to set and clear the interval, I can declare an interval with a particular delay — and our useInterval Hook makes it happen.

import React, { useState, useEffect, useRef } from 'react';

function Counter() {
  let [count, setCount] = useState(0);

  useInterval(() => {    // Your custom logic here    setCount(count + 1);  }, 1000);
  return <h1>{count}</h1>;
}
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A simple animation can be created using setTimeout and setInterval. The setTimeout is executed after a provided delay and needs to be called recursively whereas setInterval repeatedly executes the code after the defined interval:,Animations are key to developing interactive and engaging websites. A simple animation can be created with setInterval or setTimeout functions to change the properties of the elements after a defined interval. Some of the common animations like fade in/out, slide in/out, or collapse/expand are often used to display a change on a page to provide a meaningful transition effect to the user.,The requestAnimationFrame method only calls the input animation function when the browser is ready to perform the paint operation. The earlier example of the moveBall function can be implemented simply by replacing setInterval with requestAnimationFrame:

1// move element down by 3px, 60 times in a second
2import React, { Component } from 'react';
3import { render } from 'react-dom';
4import './App.css';
5
6export default class App extends Component {
7  constructor() {
8    super();
9    this.state = {
10      name: 'Football Animation'
11    };
12  }
13
14// change the top position by 3 pixels of an element that has a “circle” class value.
15  moveBall = () => {
16    let start = Date.now();
17    let football = document.querySelector(".circle")
18
19    let timer = setInterval(function () {
20      let interval = Date.now() - start;
21
22      football.style.top = interval / 3 + 'px'; // move element down by 3px
23
24      if (interval > 1000) clearInterval(timer); // stop animation
25
26    }, 1000 / 60);
27  }
28
29
30  render() {
31    return (
32      <div className="containter">
33        <img className="circle" onClick={this.moveBall} />
34      </div>
35    );
36  }
37}
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How can I use setInterval() to automatically change slides on this React Spring project ,I implemented this React Spring component that gets a different slide after clicking on it. I would like to make it change automatically every X seconds by using the setInterval method.,Then just remove the setInterval in the onClick and you should be good to go.

And here's the code that I'm running currently

import { useTransition, animated } from 'react-spring'
import clientStyles from '../../styles/modules_scss/clients.module.scss'

const pages = [
    ({ style }) => <animated.div style={{ ...style, background: 'lightpink' }}>Andres Mejias</animated.div>,
    ({ style }) => <animated.div style={{ ...style, background: 'lightblue' }}>Andres Urdaneta</animated.div>,
    ({ style }) => <animated.div style={{ ...style, background: 'lightgreen' }}>Gustavo Abdelnour</animated.div>,
]

export default function SlideTransition() {
    const [index, set] = useState(0)
    const onClick = useCallback(() => set(state => (state + 1) % 3), [])
    const transitions = useTransition(index, p => p, {
        from: { opacity: 0, transform: 'translate3d(100%,0,0)' },
        enter: { opacity: 1, transform: 'translate3d(0%,0,0)' },
        leave: { opacity: 0, transform: 'translate3d(-50%,0,0)' },
    })
    return (
        <div className={clientStyles.simpleTransMain} onClick={setInterval(onClick, 3000)}> //Here's my approach
            {transitions.map(({ item, props, key }) => {
                const Page = pages[item]
                return <Page key={key} style={props} />
            })}
        </div>
    )
}
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How to change the state of react component on click?,Example 1: This example illustrates how to change the state continuously after a certain amount of time.,How to change state continuously after a certain amount of time in React?

To change a state continuously after a certain amount of time is required in a few cases for the toggling. First, make a function that is responsible for changing the state of the component. Then call the function from the constructor method for the first time.  Use the set interval method inside the function to change the state after a fixed amount of time. setInterval method takes two parameter callback and time. The callback function is called again and again after that given amount of time.  Use the setState method to change the state of the component.

timing() {
   setInterval(() => {
      this.setState({
         stateName: new - state - value
      })
   }, time)
}
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Before I dive into the custom useInterval Hook, let me briefly review how polling at intervals used to work in React when we could only use class-based components to work with our state.,When React Hooks first came out, people were critical that setInterval() didn’t work with Hooks the way that it had with React’s class-based components.,In the example above, I just have the PollingExample's pollingCount state updating every 3 seconds, as determined by the delay, which is currently set to 3000ms.

This is exactly the type of solution my team needed to implement — a way to periodically keep checking if the reports (being generated by our separate report service) were done, so they could be displayed in the UI for our users to download once they were. And we needed a solution that would work for React.

/n

Today, I’ll be sharing how easy it is to leverage a custom React Hook called useInterval, to poll an API within your application for fresh data (or really run any task that needs intervals).

useInterval
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 Pretag team - issue, fix, solve, resolve
90%

After the div element with class name of app-header, add the toast component.,Inside the App.js component, you can remove the content of the header element and change the header to a div with className="app-header". The parent element class should be changed to app. We’ll also change the function to an arrow function (that’s just my personal preference; feel free to use the default function if you’d like).,To use the position prop, add it to the element with a className of notification-container. Remove the class from the notification-container, then add:

  • A success message upon a successful form submission or API request
  • An error message upon a failed API request
  • Chat information
/n

In this tutorial, I’ll demonstrate how to create a custom toast component with React. We’ll use React hooks such as useState and useEffect. After creating the toast component, we’ll add some simple buttons to try out and display the toast on our page.

useState
  • A success message upon a successful form submission or API request
  • An error message upon a failed API request
  • Chat information
/n

In this tutorial, I’ll demonstrate how to create a custom toast component with React. We’ll use React hooks such as useState and useEffect. After creating the toast component, we’ll add some simple buttons to try out and display the toast on our page.

useEffect
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