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Completed Day 7 - Array Cardio 2
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‎07 - Array Cardio Day 2/index.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Array Cardio 💪💪</title>
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</head>
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<body>
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<p><em>Psst: have a look at the JavaScript Console</em> 💁</p>
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<script src="script.js">
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</script>
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</body>
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</html>

‎07 - Array Cardio Day 2/script.js‎

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// ## Array Cardio Day 2
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const people = [{
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name: 'Wes',
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year: 1988
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},
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{
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name: 'Kait',
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year: 1986
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},
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{
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name: 'Irv',
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year: 1970
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},
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{
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name: 'Lux',
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year: 2015
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}
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];
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const comments = [{
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text: 'Love this!',
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id: 523423
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},
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{
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text: 'Super good',
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id: 823423
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},
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{
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text: 'You are the best',
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id: 2039842
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},
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{
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text: 'Ramen is my fav food ever',
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id: 123523
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},
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{
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text: 'Nice Nice Nice!',
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id: 542328
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}
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];
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// Some and Every Checks
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// Array.prototype.some() // is at least one person 19 or older?
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console.log("Is at least one person 19 or older?");
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const isAdult = people.some(person => (new Date()).getFullYear() - person.year >= 19);
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console.log({
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isAdult
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});
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// Array.prototype.every() // is everyone 19 or older?
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console.log("Is everyone 19 or older?");
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const isAllAdult = people.every(person => (new Date()).getFullYear() - person.year >= 19);
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console.log({
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isAllAdult
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});
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// Array.prototype.find()
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// Find is like filter, but instead returns just the one you are looking for
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// find the comment with the ID of 823423
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console.log("Find the comment with the ID of 823423");
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const comment = comments.find(comment => comment.id === 823423);
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console.log(comment);
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// Array.prototype.findIndex()
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// Find the comment with this ID
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console.table(comments);
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console.log("Find the comment Index with the ID of 823423");
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const index = comments.findIndex(comment => comment.id === 823423);
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console.log({
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index
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});
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// delete the comment with the ID of 823423
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console.log("Delete the comment with the ID of 823423");
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//comments.splice(index, 1);
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// Alternatice that keeps the original array.
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const newComments = [
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...comments.slice(0, index),
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...comments.slice(index + 1)
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];
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console.table(comments);
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console.table(newComments);

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