Do you know what will be the output of this code? let a = 1; const b = a++; console.log(a, b);

What is the difference between a++ and ++a in JavaScript?

Do you know what will be the output of this code?

JavaScript

let a = 1;
const b = a++;
console.log(a, b);

Show answer and explanation

The answer is 2 1.

Postfix a++ returns the current value (1) and then increments a to 2. Prefix ++a would increment first and return 2.