Question

How to use left shift assignment (<<=) operator in JavaScript

Answer 1

let a = 1;         // 00000000000000000000000000000001
const b = 2;       // 00000000000000000000000000000010

a <<= b;
 
console.log(a); // 00000000000000000000000000000100
console.log(b); // 00000000000000000000000000000010
  
  
  
/*
run:
  
4
2
  
*/

 

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