JS30-07.js

// ## Array Cardio Day 2

const people = [
  { name: 'Wes', year: 1988 },
  { name: 'Kait', year: 1986 },
  { name: 'Irv', year: 1970 },
  { name: 'Lux', year: 2015 }
];

const comments = [
  { text: 'Love this!', id: 523423 },
  { text: 'Super good', id: 823423 },
  { text: 'You are the best', id: 2039842 },
  { text: 'Ramen is my fav food ever', id: 123523 },
  { text: 'Nice Nice Nice!', id: 542328 }
];

// Some and Every Checks
// Array.prototype.some() // is at least one person 19?
// Array.prototype.every() // is everyone 19?
const isAdult = person => (new Date()).getFullYear() - person.year > 18;
const some = people.some(isAdult);
console.log({some});
const every = people.every(isAdult);
console.log({every});

// Array.prototype.find()
// Find is like filter, but instead returns just the one you are looking for
// find the comment with the ID of 823423
const isTheComment = comment => comment.id === 823423;
const theComment = comments.find(isTheComment);
console.log({theComment});

// Array.prototype.findIndex()
// Find the comment with this ID
// delete the comment with the ID of 823423
const theCommentIndex = comments.findIndex(isTheComment);
comments.splice(theCommentIndex, 1);
console.log(comments);