Question

How to copy object by reference in JavaScript

Answer 1

let o = {
  id: 3467,
  lang: "javascript",
};

let copybyref = o;

console.log(copybyref);

o.id = 9817;

console.log(copybyref);


    
    
/*
run:
    
{
  id: 3467,
  lang: "javascript"
}
{
  id: 9817,
  lang: "javascript"
}
    
*/

 

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