07 - Array Cardio Day 2/index-START.html

<!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 currentYear = new Date().getFullYear()
    const isSomePerson19OrOlder = people.some(person => (currentYear - person.year) >= 19)
    console.log('Is at least one person 19 or older?')
    console.table(isSomePerson19OrOlder)

    // Array.prototype.every() // is everyone 19 or older?
    const isEveryone19OrOlder = people.every(person => (currentYear - person.year) >= 19)
    console.log('Is everyone 19 or older?')
    console.table(isEveryone19OrOlder)
    // 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 theComment = comments.find(comment => comment.id === 823423)
    console.log(`The comment with the ID ${theComment.id}`)
    console.log(theComment)
    // 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)
    console.table(comments)
    comments[index] = ''
    console.table(comments)

  </script>
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</html>