shallow copy and deepcopy in javascript code example

Example 1: js shallow copy

Object.assign({}, obj); // ES6 shallow copy

Example 2: shallow copy vs deep copy js

/*

Search Results
Featured snippet from the web
A deep copy means that all of the values of the new variable
are copied and disconnected from the original variable. 
A shallow copy means that certain (sub-)values are still connected
to the original variable. To really understand copying,
you have to get into how JavaScript stores values


/*

Example 3: best way to clone an object in javascript

const person = {
    firstName: 'John',
    lastName: 'Doe'
};


// using spread ...
let p1 = {
    ...person
};

// using  Object.assign() method
let p2 = Object.assign({}, person);

// using JSON
let p3 = JSON.parse(JSON.stringify(person));

Tags:

Python Example

Related