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

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 .slice()
- 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

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#sayed azhar sabri
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[mohdsaeedafri]

Thanks Sir for sharing the knowledge, keep this series going, it is helping a lot.

[bhagabatsahoo]

Looks good and thanks for the clarification. I am little confused when you are showing your code in video, there is no change before, but when i took your code from github and tried, i can see there is change in both before and after. I checked with suston deep copy with array. Could you please look into this ...Thanks