Question

How to clone an object in JavaScript

Answer 1

const user = {
  id: 83829,
  name: 'Tom'
};
 
const clone_user = { ...user };
 
  
console.log(clone_user.id);
console.log(clone_user.name);
 
 
 
 
/*
run:
           
83829
"Tom"
     
*/

 

70+ SQL courses for beginners and professionals

Answer 2

const o = {
  id: 3467,
  lang: "javascript",
};
 
const cloneObject = { ...o };
 
console.log(cloneObject);
 
o.id = 9817;
 
console.log(cloneObject);
 
 
     
     
/*
run:
     
{
  id: 3467,
  lang: "javascript"
}
{
  id: 3467,
  lang: "javascript"
}
     
*/

 

70+ SQL courses for beginners and professionals