JavaScript loops

loops.js

// Factorial
// n
// 1 * 2 * 3 * ... * (n-1) * n

const n = 7;

let fact = 1;

for (let i = 1; i <= n; i++) {
  fact = fact * i;
  console.log('i=', i);
  console.log('fact=', fact);
  console.log('------------')
}

let i = 1;
fact = 1;
while (i <= n) {
  fact = fact * i;
  console.log('i=', i);
  console.log('fact=', fact);
  console.log('------------');
  i++;
}

i = 1;
fact = 1;

do {
  fact = fact * i;
  i++;
  console.log('i=', i);
  console.log('fact=', fact);
  console.log('------------');
} while (i <= n);