Answers for "how to call a large number factorial in javascript"

javascript factorial

function factorial(n) {
  if (n < 0) return;
  if (n < 2) return 1;
  return n * factorial(n - 1);
}

how to make a factorial function in javascript

function factorialize(num) {
  var result = num;
  if (num === 0 || num === 1) 
    return 1; 
  while (num > 1) { 
    num--;
    result *= num;
  }
  return result;
}

big numbers factorial js

var factorial = function(n){n=BigInt(n);return (n==0n||n==1n)?1n:factorial(n-1n)*n;}
//can be print this way
console.log( factorial(n) );