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27 changes: 0 additions & 27 deletions 07 - Array Cardio Day 2/index-START.html
Original file line number Diff line number Diff line change
Expand Up @@ -25,42 +25,15 @@

// Some and Every Checks
// Array.prototype.some() // is at least one person 19?
// const isAdult = people.some(function(person) {
// const currentYear = (new Date()).getFullYear();
// if(currentYear - person.year >= 19) {
// return true;
// }
// });

const isAdult = people.some(person => ((new Date()).getFullYear()) - person.year >= 19);

console.log({isAdult});
// Array.prototype.every() // is everyone 19?

const allAdults = people.every(person => ((new Date()).getFullYear()) - person.year >= 19);
console.log({allAdults});

// 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 comment = comments.find(comment => comment.id === 823423);

console.log(comment);

// Array.prototype.findIndex()
// Find the comment with this ID
// delete the comment with the ID of 823423
const index = comments.findIndex(comment => comment.id === 823423);
console.log(index);

// comments.splice(index, 1);

const newComments = [
...comments.slice(0, index),
...comments.slice(index + 1)
];

</script>
</body>
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