Deep Copy vs Shallow Copy in JavaScript | #javascript #webdevelopment

In this 60 seconds video I will teach you all the difference between a shallow vs the deep copy of an object in JavaScript using an example, and how to copy only the properties of an object to another object.
Leave a comment below if you have any questions
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[binarybulletin]

Shallow copy mean : let's say array i have
Const arr1 = [1, 2, 3]
Const arr2 = arr1
If i will do this console arr2 and arr1 value will be same because pointing the same address because taking refrence arr2 of arr1
If i will do arr2.push(4)
Again console then arr1 and arr2 value will be same
This is shallow copy for this kind of problem solution we need to deep copy
There serval ways to we can do this deep copy
So we can use there spread operator
arr2 [...arr1];
After arr2.push(4) it only caunged in arr2 this ways to we can do deep copy

[honkhonkv]

Spreading object1 in object2 is still a shallow copy.

if you want a completely new reference from your original object (deep copy) you'll have to use, either:

const object2 = structuredClone(object1);

or

const object2 =