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react counter

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Imran Khan answered on March 20, 2022 Popularity 9/10 Helpfulness 2/10

answer react counter

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react counter

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import React from "react";
import ReactDOM from "react-dom";

const rootElement = document.getElementById("root");

let counter = 0;

const handleClick = () => {
  counter++;
  console.log("counter", counter);
  renderContent();
};

const renderContent = () => {
  const content = (
    <div>
      <button onClick={handleClick}>Increment counter</button>
      <div>Counter value is {counter}</div>
    </div>
  );

  ReactDOM.render(content, rootElement);
};

renderContent();

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: www.freecodecamp.org

Tags: counter javascript

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Contributed on Apr 20 2023

Imran Khan

0 Answers Avg Quality 2/10

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react-counter

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import { CountUp } from 'countup.js';
import { Odometer } from 'odometer_countup';

export default function App() {
  useCountUp({
    ref: 'counter',
    end: 1234567,
    enableScrollSpy: true,
    scrollSpyDelay: 1000,
    plugin: Odometer,
  });

  return (
    <div className="App">
      <span id="counter" />
    </div>
  );
}

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: www.npmjs.com

Tags: javascript j

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Contributed on Nov 05 2023

Md.Habibur Rahman

0 Answers Avg Quality 2/10

react-counter

Comment

import React from 'react';
import CountUp from 'react-countup';
import VisibilitySensor from 'react-visibility-sensor';
import './styles.css';

export default function App() {
  return (
    <div className="App">
      <div className="content" />
      <VisibilitySensor partialVisibility offset={{ bottom: 200 }}>
        {({ isVisible }) => (
          <div style={{ height: 100 }}>
            {isVisible ? <CountUp end={1000} /> : null}
          </div>
        )}
      </VisibilitySensor>
    </div>
  );
}

Popularity 8/10 Helpfulness 2/10 Language javascript

Source: www.npmjs.com

Tags: javascript j

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Contributed on Nov 05 2023

Md.Habibur Rahman

0 Answers Avg Quality 2/10

counter react

Comment

import React from "react";

var CounterStateContext = React.createContext();
var CounterDispatchContext = React.createContext();

function counterReducer(state, action) {
  switch (action.type) {
    case "INC":
      return {...state, counter: state.counter + 1};
    case "DEC":
      return {...state, counter: state.counter - 1};
    case "MUL":
      return {...state, counter: state.counter * 2};
    case "plusNum":
      return {...state, counter: state.counter + parseInt(action.payload)};
    default: {
      throw new Error(`Unhandled action type: ${action.type}`);
    }
  }
}

function CounterProvider({children}) {
  var [state, dispatch] = React.useReducer(counterReducer, {
    counter: 5,
  });
  return (
    <CounterStateContext.Provider value={state}>
      <CounterDispatchContext.Provider value={dispatch}>
        {children}
      </CounterDispatchContext.Provider>
    </CounterStateContext.Provider>
  );
}

function useCounterState() {
  var context = React.useContext(CounterStateContext);
  if (context === undefined) {
    throw new Error("useLayoutState must be used within a LayoutProvider");
  }
  return context;
}

function useCounterDispatch() {
  var context = React.useContext(CounterDispatchContext);
  if (context === undefined) {
    throw new Error("useLayoutDispatch must be used within a LayoutProvider");
  }
  return context;
}

export {CounterProvider, useCounterState, useCounterDispatch, plusCounter, minusCounter, multiple2, plusNumber};

// ###########################################################
function plusCounter(dispatch) {
  dispatch({
    type: "INC",
  });
}

function minusCounter(dispatch) {
  dispatch({
    type: "DEC",
  });
}

function multiple2(dispatch) {
  dispatch({
    type: "MUL",
  });
}

function plusNumber(dispatch, number) {
  dispatch({
    type: "plusNum",
    payload: number
  });
}

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: github.com

Tags: counter

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Contributed on Mar 20 2022

Ill Ibex

0 Answers Avg Quality 2/10

react counter

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