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DeepCopyTasks.js
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DeepCopyTasks.js
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// links to watch theory
// https://www.youtube.com/watch?v=6napu-MGQDo&list=PLcvhF2Wqh7DNVy1OCUpG3i5lyxyBWhGZ8&index=47
// https://www.youtube.com/watch?v=I8LNJpG60vI&feature=youtu.be
// 1. Simple object
let man = {
name: 'John',
age: 28
};
let manFullCopy = {...man}
// 2. Array of primitives
let numbers = [1, 2, 3];
let numbersFullCopy = [...numbers]
// 3. Object inside an object
let man1 = {
name: 'John',
age: 28,
mother: {
name: 'Kate',
age: 50
}
};
let man1FullCopy = {...man1, mother: {...man1.mother}}
// 4. Array of primitives inside an object
let man2 = {
name: 'John',
age: 28,
friends: ["Peter", "Steven", "William"]
};
let man2FullCopy = {...man2, friends: man2.friends.map(friend => friend)}
// 5 Array of objects
let people = [
{name: "Peter", age: 30},
{name: "Steven", age: 32},
{name: "William", age: 28}
];
let peopleFullCopy = people.map(person => ({...person}))
// 6 Array of objects inside object
let man3 = {
name: 'John',
age: 28,
friends: [
{name: "Peter", age: 30},
{name: "Steven", age: 32},
{name: "William", age: 28}
]
};
let man3FullCopy = {...man3, friends: man3.friends.map(friend => ({...friend}))}
// 7 Object inside an object, inside an object
let man4 = {
name: 'John',
age: 28,
mother: {
name: "Kate",
age: 50,
work: {
position: "doctor",
experience: 15
}
}
};
let man4FullCopy = {...man4, mother: {...man4.mother, work: {...man4.mother.work}}}
// 8 Array of objects inside object -> object
let man5 = {
name: 'John',
age: 28,
mother: {
name: "Kate",
age: 50,
work: {
position: "doctor",
experience: 15
},
parents: [
{name: "Kevin", age: 80},
{name: "Jennifer", age: 78},
]
}
};
let man5FullCopy = {...man5, mother: {...man5.mother, wor: {...man5.mother.work}, parents: man5.mother.parents.map(parent => ({...parent}))}}
// 9 Object inside an object -> array -> object -> object
let man6 = {
name: 'John',
age: 28,
mother: {
name: "Kate",
age: 50,
work: {
position: "doctor",
experience: 15
},
parents: [
{
name: "Kevin",
age: 80,
favoriteDish: {
title: "borsch"
}
},
{
name: "Jennifer",
age: 78,
favoriteDish: {
title: "sushi"
}
},
]
}
};
let man6FullCopy = {...man6, mother: {...man6.mother, parents: man6.mother.parents.map(parent => ({...parent, favoriteDish: {...parent.favoriteDish}}))}}
//10 Array of objects inside an object -> object -> array -> object -> object
let man7 = {
name: 'John',
age: 28,
mother: {
name: "Kate",
age: 50,
work: {
position: "doctor",
experience: 15
},
parents: [
{
name: "Kevin",
age: 80,
favoriteDish: {
title: "borscht",
ingredients: [
{title: "beet", amount: 3},
{title: "potatoes", amount: 5},
{title: "carrot", amount: 1},
]
}
},
{
name: "Jennifer",
age: 78,
favoriteDish: {
title: "sushi",
ingredients: [
{title: "fish", amount: 1},
{title: "rise", amount: 0.5}
]
}
},
]
}
};
let man7FullCopy = {...man7, mother: {...man7.mother, work: {...man7.mother.work}, parents: man7.mother.parents.map(parent => ({...parent, favoriteDish: {...parent.favoriteDish, ingredients: parent.favoriteDish.ingredients.map(ingr => ({...ingr}))} }))}}