Arrow func playground

by Anton

JavaScript

var users = [
    { screenName: 'hughford', posts: 3 },
    { screenName: 'benvan',  posts: 100 },
    { screenName: 'tahir', posts: 130 }
];

var total = users
    .map(user => user.posts)
    .filter(posts => posts > 50)
    .reduce((a, b) => a + b );
    
console.log(total);

function increaseUserPosts(user = { screenName: 'new guy', posts: 0 }) {
	user.posts = user.posts + 1;
    return user;
}

console.log(increaseUserPosts());
console.log(increaseUserPosts(users[0]));