react prevent default form code example
Example: prevent default react
import React from 'react';
const initialList = [
'Learn React',
'Learn Firebase',
'Learn GraphQL',
];
const ListWithAddItem = () => {
const [value, setValue] = React.useState('');
const [list, setList] = React.useState(initialList);
const handleChange = event => {
setValue(event.target.value);
};
const handleSubmit = event => {
if (value) {
setList(list.concat(value));
}
setValue('');
event.preventDefault();
};
return (
{list.map(item => (
- {item}
))}
);
};
export default ListWithAddItem;