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App.jsx — InterviewOS Studio
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function App() {
const [todos, setTodos] = React.useState([
{ id: 1, text: 'Learn React Hooks', completed: true },
{ id: 2, text: 'Build with InterviewOS', completed: false },
{ id: 3, text: 'Ace the interview!', completed: false },
])
const [input, setInput] = React.useState('')
 
const addTodo = () => {
if (!input.trim()) return
setTodos(prev => [...prev, {
id: Date.now(), text: input.trim(),
completed: false }])
setInput('')
}
 
const toggleTodo = (id) =>
setTodos(prev => prev.map(t => t.id === id
? { ...t, completed: !t.completed } : t))
 
const deleteTodo = (id) =>
setTodos(prev => prev.filter(t => t.id !== id))
 
const remaining = todos.filter(t => !t.completed).length
const done = todos.filter(t => t.completed).length
 
return (
<div className="todo-shell">
<div className="todo-card">
<div className="todo-header">
<h1>✓ Todo List</h1>
<span className="todo-badge">{done}/{todos.length} done</span>
</div>
<p className="subtitle">remaining + ' tasks remaining'</p>
<div className="progress-track">
<div className="progress-fill" style={{ width: progress + '%' }} />
</div>
<div className="input-row">
<input value={input} onChange={e => setInput(e.target.value)} />
<button onClick={addTodo}>Add</button>
</div>
<div className="todo-list">
{todos.map(todo => (
<div className={'todo-item' + completed}>
<button className={'todo-check' + checked}>
<span className="todo-text">{todo.text}</span>
<button className="del" onClick={() => deleteTodo(todo.id)}>✕</button>
</div>
))}
</div>
</div>
</div>
)
}
Ln 1, Col 1JavaScript JSXInterviewOS Studio
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