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index.js
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index.js
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// ## 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 or older?
const isOverNineteen = people => (new Date().getFullYear() - people.year) <= 6;
console.log(`At least one person is 19 or older: ${people.some(isOverNineteen)}`);
// Array.prototype.every() // is everyone 19 or older?
console.log(`Everyone is 19 or older: ${people.every(isOverNineteen)}`);
// 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 commentWithSpecifiedId = comment => comment.id === 823423;
console.log(comments.find(commentWithSpecifiedId));
// Array.prototype.findIndex()
// Find the comment with this ID
// delete the comment with the ID of 823423
const indexOfSpecifiedComment = comments.findIndex(commentWithSpecifiedId);
const updatedComments = [...comments.slice(0, indexOfSpecifiedComment), ...comments.slice(indexOfSpecifiedComment + 1)];
console.table(updatedComments);