Question

How to use question question equals ??= logical assignment operator in JavaScript

Answer 1

const a = 3;
a ??= 7;
console.log(a);

let b = 3;
b ??= 7;
console.log(b);
 
 
let x = undefined;
x ??= 12;
console.log(x);

 
 
 
   
/*
run:

3
3
12
 
*/

 

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