Shallow Copy vs Deep Copy | Reference vs Copy | Library & Program for Deep Copy | Array | Object

Published: 28 September 2023
on channel: CodeByHeart

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Shallow copy vs Deep Copy

What is the difference between reference and copy in JavaScript.
Why newArr = arr not working in javascript.
Why value in the new array change when I am changing the value of the old array?
Why value in a new object change when I am changing the value of the old object.
A shallow copy refers to a fact that only one level is copied.
It will work fine for an array or object containing primitive values.
How to do Shallow Copy
Shallow Copy using Spread Operator (…)
Shallow Copy using Object.assign()
Shallow Copy using .slice()
Shallow Copy using Array.from()
A deep copy constructs a new compound object and then, recursively, inserts copies into it of the objects found in the original.
How to do Deep Copy
Deep Copy using lodash
Deep Copy using ramda
Deep Copy using JSON.stringify() and JSON.parse()
Deep Copy using own program.
Write your own program for a Deep copy of an object or an array.
Deep copy program not working for array and object together.
Best Deep copy program example.
Very important topic
important interview quesition
important react interview quesition
important js interview quesition
important javascript interview quesition
important nodejs interview quesition

GitHub Repository Link: https://github.com/sayedazharsabri/wo...

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