Question

How to set two reference types to point at the same object in memory in JavaScript

Answer 1

let o = { val: 40 };
let b = o;

console.log(o.val + ' ' + b.val);

o.val = 100;

console.log(o.val + ' ' + b.val);

 
 
 
/*
run:
 
40 40
100 100
 
*/

 

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