In this lesson you got issue with JS Array type. It do not understand .join(’, ') as in array.
My solution:
const List = (props) => {
{ /* change code below this line */ }
return <p>{props.tasks.join(', ')}</p>
{ /* change code above this line */ }
};
class ToDo extends React.Component {
constructor(props) {
super(props);
}
render() {
return (
<div>
<h1>To Do Lists</h1>
<h2>Today</h2>
{ /* change code below this line */ }
<List tasks={['some1', 'some2']} />
<List/>
<h2>Tomorrow</h2>
<List tasks={['some1', 'some2', 'some3']} />
{ /* change code above this line */ }
</div>
);
}
};
Lesson link: https://www.freecodecamp.org/learn/front-end-libraries/react/pass-an-array-as-props