Question

How to use logical OR assignment (||=) operator in Node.js

Answer 1

let a = 0;
a ||= 3;
console.log(a);
 
const b = 0;
//b ||= 8; // invalid assignment to const 'b' 
 
const c = undefined;
//c ||= 55; // invalid assignment to const 'c' 
 
  
    
      
      
/*
run:
      
3
      
*/

 

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Answer 2

let s = '';
  
s ||= 'node.js';
  
console.log(s);
  
    
      
      
/*
run:

node.js
      
*/

 

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