Component will Unmount - React Js

-

 App.js:


import React, { Component, useState } from 'react';
import Student from './Components/Student'


import './App.css'

class App extends Component
{
  constructor()
  {
    super();
    this.state={show:true}
  }
  render()
  {

    return(
      <div>
        {
          this.state.show ? <Student/> :<h1>Child Component Removed</h1>
        }
        <h1>Component will Unmount</h1>
        <button onClick={()=>this.setState({show:!this.state.show})}>Toggle</button>
       
      </div>
    )
  }
}

export default App;


-----------------------------------


Student.js:

import React, {Component} from "react";

class App extends Component
{
    componentWillUnmount()
    {
        console.warn("Componentwillunmount called")
    }
    render()
    {
        return(
            <div>
                <h1>Student child Component</h1>


            </div>

        )
    }
}

export default App;





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