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Todo List
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// import all of the things | |
const TodoList = (props) => { | |
const [todoList, setTodoList] = useState([]); | |
const [newTodo, setNewTodo] = useState(""); | |
function updateNewTodo(event) { | |
setNewTodo(event.target.value); | |
}; | |
function addNewTodo(event) { | |
setTodoList([ | |
{ | |
done: false, | |
text: newTodo, | |
}, | |
...todoList, | |
]); | |
event.preventDefault(); | |
}; | |
function toggleTodo(todo) { | |
setTodoList(todoList.map(existingTodo => { | |
if (existingTodo === todo) { | |
return { | |
// flipped todo | |
...existingTodo, | |
done: !existingTodo.done, | |
}; | |
} | |
return todo; | |
})); | |
}; | |
function deleteTodo(todo) { | |
setTodoList( | |
todoList.filter(existingTodo => (existingTodo !== todo)) | |
); | |
}; | |
return ( | |
<> | |
<h1>Todos App</h1> | |
<form onSubmit={addNewTodo}> | |
<h2>Add a todo</h2> | |
<label> | |
Enter your todo | |
<input type="text" value={newTodo} onChange={updateNewTodo} /> | |
</label> | |
<button type="submit">Add TODO</button> | |
</form> | |
<section> | |
<h2>Todos</h2> | |
<ul> | |
{todoList.map(todo => { | |
return ( | |
<li> | |
{todo} | |
<label> | |
<input type="checkbox" onChange={() => toggleTodo(todo)} /> | |
Done | |
</label> | |
<button type="button" onClick={() => deleteTodo(todo)}>Delete</button> | |
</li> | |
); | |
})} | |
</ul> | |
</section> | |
</> | |
); | |
}; | |
export TodoList; |
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