Skip to content

07 - Array Cardio Day 2 #14

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

07 - Array Cardio Day 2 #14

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
66 changes: 66 additions & 0 deletions 07 - Array Cardio Day 2/changi.html
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,66 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Array Cardio 💪💪</title>
</head>
<body>
<p><em>Psst: have a look at the JavaScript Console</em> 💁</p>
<script>
// ## 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 isAdult = people.some((person) => {
return new Date().getFullYear() - person.year >= 19;
});

console.log({ isAdult });

// Array.prototype.every() // is everyone 19 or older?
const allAdult = people.every((person) => {
return new Date().getFullYear() - person.year >= 19;
});

console.log({ allAdult });

// 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 result = comments.find((comment) => {
return comment.id === 823423;
});
console.log({ result });

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

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

console.table(newComments);
</script>
</body>
</html>