I can't save my added to-do item when refresh the page
11:37 01 Jan 2026

When I add the to-do title in the text field, it is added but when I refresh the page it disappears. Also, when I add several items, the last one disappears when refresh the page.

Note: I have used local storage in last line of addTaskButton()

I used usestate hook in the function addTaskButton(). This is supposed to add newToDo to my Array of objects todoItems

import * as React from 'react';
import Stack from '@mui/material/Stack';
import Button from '@mui/material/Button';
import CssBaseline from '@mui/material/CssBaseline';
import Box from '@mui/material/Box';
import Container from '@mui/material/Container';
import Card from '@mui/material/Card';
import CardContent from '@mui/material/CardContent';
import Typography from '@mui/material/Typography';
import ToggleButton from '@mui/material/ToggleButton';
import ToggleButtonGroup from '@mui/material/ToggleButtonGroup';
import ToDoItem from './ToDoItem';
import { createTheme, ThemeProvider} from '@mui/material/styles';
import TextField from '@mui/material/TextField';
import { useState,useEffect } from 'react';
import { v4 as uuidv4 } from 'uuid';
 let todos=[
    {
      id:uuidv4(),
      title:'First Task',
      details:'Reading Book',
      isCompelete:false
    },{
      id:uuidv4(),
      title:'Second Task',
      details:'Watching TV',
      isCompelete:false
    },
     {
      id:uuidv4(),
      title:'Third Task',
      details:'Doing Workout',
      isCompelete:false
    }
     
  ]
 

export default function ToDoList() {
 
 
  const [todoItems,setToDoItems]=useState(todos);
  const [textValue,setTextValue]=useState('');
  
  function enterTask(e){
   setTextValue(e.target.value);
    }
  function addTaskButton(){
    const newToDo={
      id:uuidv4(),
      title:textValue,
      details:'',
      isCompelete:false
    }
   setToDoItems([...todoItems,newToDo]);
   console.log(todoItems);
  localStorage.setItem('todos',JSON.stringify(todoItems));

  }
   useEffect(()=>{
  setToDoItems( JSON.parse (localStorage.getItem('todos')));
  },[])
     const todoMaterials=todoItems.map((t)=>{
    return()

  })
  
  
  function handleCheckClick(todoId){
   const updatedTodos=todoItems.map((t)=>{
    if (todoId==t.id){
   t.isCompelete =!t.isCompelete;
   
    }
    return t
    }
    
   )
   setToDoItems(updatedTodos);
   localStorage.setItem('todos',JSON.stringify(updatedTodos));
  }
  function deleteTask(todoId){
    const newAfterDelete=todoItems.filter((t)=>{
      if(t.id==todoId){
        return false
      }else{
        return true
      }
    })
   setToDoItems(newAfterDelete);
   localStorage.setItem('todos',JSON.stringify(newAfterDelete));
  }
  
 

 

  const [alignment, setAlignment] = React.useState('web');

  const handleChange = (event, newAlignment) => {
    setAlignment(newAlignment);
  };
const theme = createTheme({
  typography: {
    fontFamily: [
      '-apple-system',
      'BlinkMacSystemFont',
      '"Segoe UI"',
      'Roboto',
      '"Helvetica Neue"',
      'Arial',
      'sans-serif',
      '"Apple Color Emoji"',
      '"Segoe UI Emoji"',
      '"Segoe UI Symbol"',
    ].join(','),
  },
});


const card = (
  
  
    
      
      
        My Tasks
        
      
       
      All
      Complete
      Incomplete
    
     
          

      
    
      {todoMaterials}
    
    
  
);

 
  return (
    <>
      
      
        
       
        
      
        
        {card}
        
      
    
      
    
  )};

reactjs object