JavaScript Array find() Method

#javascript #beginners

The find () method returns the value of the first element of the array that satisfies the test function provided. Otherwise, the undefined value is returned.

const users = [
    {
        user_id: '1234',
        first_name: 'Francisco',
        last_name: 'Inoque',
        email: 'jaimeinoque20@gmail.com',
        username: '@franciscoinoque'
    },

    {
        user_id: '5678',
        first_name: 'Jose',
        last_name: 'David',
        email: 'josedavid@gmail.com',
        username: '@josedavid'
    },

    {
        user_id: '9101',
        first_name: 'Peter',
        last_name: 'Jordan',
        email: 'peterjordan@gmail.com',
        username: '@peterjordan'
    },

    {
        user_id: '1112',
        first_name: 'Clifton',
        last_name: 'Urik',
        email: 'cliftonurik@gmail.com',
        username: '@cliftonurik'
    }
]

let error_msg = {
     error: 'User not found'
 }
function findUserByUserID(user_id)
{
    const user = users.find(user => user.user_id === user_id);

    if (user)
    {
        return user;
    }  else
     {
        return error_msg
    }
}

const getUser = findUserByUserID('1112')
console.log(getUser)